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A002835 as a simple table

na(n)
01
11
24
39
422
546
6102
7206
8427
9841
101658
113173
126038
1311251
1420807
1537907
1668493
17122338
18216819
19380637
20663417
211147033
221969961
233359677
245694592
259592063
2616065593
2726756430
2844328414

[1,1,4,9,22,46,102,206,427,841,1658,3173,6038,
 11251,20807,37907,68493,122338,216819,380637,
 663417,1147033,1969961,3359677,5694592,9592063,
 16065593,26756430,44328414]