odoo/addons/account_sequence/account_sequence_data.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>
         <!--Account Journal Internal Sequences-->

		<record id="internal_sequence_journal" model="ir.sequence">
			<field name="name">Internal Sequence Journal</field>
            <field name="code">account.journal</field>
            <field name="number_next">1</field>
        </record>

        <function eval="('default', False, 'internal_sequence', [('account.journal', False)], internal_sequence_journal, True, False, False, False, True)" id="internal_seq_default_set" model="ir.values" name="set"/>

		<!--Account Journal Internal Number of account move line-->

		<record id="sp_journal_col3" model="account.journal.column">
			<field name="view_id" ref="account.account_sp_journal_view"/>
			<field name="name">Internal Number</field>
			<field name="field">internal_sequence_number</field>
			<field eval="True" name="required"/>
			<field eval="2" name="sequence"/>
		</record>

		<record id="journal_col1" model="account.journal.column">
			<field name="view_id" ref="account.account_journal_view"/>
			<field name="name">Internal Number</field>
			<field name="field">internal_sequence_number</field>
			<field eval="True" name="required"/>
			<field eval="2" name="sequence"/>
		</record>

		<record id="bank_col3" model="account.journal.column">
			<field name="view_id" ref="account.account_journal_bank_view"/>
			<field name="name">Internal Number</field>
			<field name="field">internal_sequence_number</field>
            <field eval="True" name="required"/>
            <field eval="2" name="sequence"/>
        </record>

        <record id="bank_col3_multi" model="account.journal.column">
            <field name="view_id" ref="account.account_journal_bank_view_multi"/>
            <field name="name">Internal Number</field>
            <field name="field">internal_sequence_number</field>
            <field eval="True" name="required"/>
            <field eval="2" name="sequence"/>
        </record>

        <record id="sp_refund_journal_col3" model="account.journal.column">
            <field name="view_id" ref="account.account_sp_refund_journal_view"/>
            <field name="name">Internal Number</field>
            <field name="field">internal_sequence_number</field>
            <field eval="True" name="required"/>
            <field eval="2" name="sequence"/>
        </record>
    </data>

</openerp>