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A004790 as a simple table

na(n)
12
23
38
421
555
6149
7404
81097
92981
10162755
111202605
123269018
138886111
1424154953
15178482301
169744803447
1726489122130
18195729609429
19532048240602
201446257064292
213931334297145
2210686474581525
2329048849665248
2478962960182681
25583461742527455
261586013452313431

[2,3,8,21,55,149,404,1097,2981,162755,1202605,
 3269018,8886111,24154953,178482301,9744803447,
 26489122130,195729609429,532048240602,
 1446257064292,3931334297145,10686474581525,
 29048849665248,78962960182681,583461742527455,
 1586013452313431]