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A320651 as a simple table

na(n)
01
11
22
37
414
536
690
7213
8520
91271
103082
117493
1218238
1344324
14107782
15262142
16637368
171549870
183768886
199164499
2022285034
2154190024
22131771616
23320424614
24779166270
251894671121
264607207304
2711203190618
2827242414612
2966244451632
30161084380040
31391703392954

[1,1,2,7,14,36,90,213,520,1271,3082,7493,18238,
 44324,107782,262142,637368,1549870,3768886,
 9164499,22285034,54190024,131771616,320424614,
 779166270,1894671121,4607207304,11203190618,
 27242414612,66244451632,161084380040,391703392954]