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A001410 as a simple table

na(n)
01
12
25
312
428
565
6149
7341
8777
91769
104022
119140
1220763
1347156
14107086
15243162
16552128
171253640
182846424
196462827
2014673824
2133316766
2275645245
23171751292
24389958283
25885393129
262010268490

[1,2,5,12,28,65,149,341,777,1769,4022,9140,20763,
 47156,107086,243162,552128,1253640,2846424,
 6462827,14673824,33316766,75645245,171751292,
 389958283,885393129,2010268490]