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A152090 as a simple table

na(n)
01
11
21
33
47
516
639
791
8217
9513
101216
112881
126825
1316171
1438311
1590768
16215047
17509491
181207089
192859841
206775552
2116052673
2238032081
2390105811
24213479175
25505776016
261198287271
272838988683
286726147337
2915935624641
3037754768064

[1,1,1,3,7,16,39,91,217,513,1216,2881,6825,16171,
 38311,90768,215047,509491,1207089,2859841,6775552,
 16052673,38032081,90105811,213479175,505776016,
 1198287271,2838988683,6726147337,15935624641,
 37754768064]