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A145927 as a simple table

na(n)
11
21
31
41
56
61
738
89
9408
1033
117604
12404
13271731
147941
1515992426
16262632
171666574068
1814831415
19309972197784
201538127410
21100682581657471
22275592188347
2357498326956771300
2487279885007004
2557832081083719379686

[1,1,1,1,6,1,38,9,408,33,7604,404,271731,7941,
 15992426,262632,1666574068,14831415,309972197784,
 1538127410,100682581657471,275592188347,
 57498326956771300,87279885007004,
 57832081083719379686]