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A263747 as a simple table

na(n)
11
22
36
424
578
6230
7506
81128
92641
106655
1117261
1246066
13119052
14300864
15750728
161876024
174711588
1811951068
1930392680
2077225565
21195701321
22494881594
231249924470
243159185418
257992133318
2620232067074
2751226594151
28129680774266

[1,2,6,24,78,230,506,1128,2641,6655,17261,46066,
 119052,300864,750728,1876024,4711588,11951068,
 30392680,77225565,195701321,494881594,1249924470,
 3159185418,7992133318,20232067074,51226594151,
 129680774266]