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A268502 as a simple table

na(n)
01
12
28
326
473
5210
6558
71460
83663
99090
1021846
1151690
12120140
13274480
14618656
151374792
163017867
176546610
1814053312
1929852658
2062825894
21131025056
22270948160
23555811298
241131498850
252286780266
264589706604
279151298134
2818131193484
2935706460678
3069910352496

[1,2,8,26,73,210,558,1460,3663,9090,21846,51690,
 120140,274480,618656,1374792,3017867,6546610,
 14053312,29852658,62825894,131025056,270948160,
 555811298,1131498850,2286780266,4589706604,
 9151298134,18131193484,35706460678,69910352496]