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A000180 as a simple table

na(n)
01
12
213
3116
41393
520894
6376093
77897952
8189550849
95117872922
10153536187661
115066694192812
12182400990941233
137113638646708086
14298772823161739613
1513444777042278282584
16645349298029357564033
1732912814199497235765682

[1,2,13,116,1393,20894,376093,7897952,189550849,
 5117872922,153536187661,5066694192812,
 182400990941233,7113638646708086,
 298772823161739613,13444777042278282584,
 645349298029357564033,32912814199497235765682]