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A041413 as a simple table

na(n)
01
11
27
315
497
5112
63233
73345
823303
949951
10323009
11372960
1210765889
1311138849
1477598983
15166336815
161075619873
171241956688
1835850407137
1937092363825
20258404590087
21553901543999
223581813854081
234135715398080
24119381845000321
25123517560398401

[1,1,7,15,97,112,3233,3345,23303,49951,323009,
 372960,10765889,11138849,77598983,166336815,
 1075619873,1241956688,35850407137,37092363825,
 258404590087,553901543999,3581813854081,
 4135715398080,119381845000321,123517560398401]