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A272961 as a simple table

na(n)
11
20
31
40
58
68
771
8212
9731
101840
115953
1218632
1354705
14171348
15511899
161608540
174861373
1814726040
1945536993
20138776184
21426552305
221305642816
233998654049
2412283464960
2537639150053
26115651510068
27355188064346
281090663423924

[1,0,1,0,8,8,71,212,731,1840,5953,18632,54705,
 171348,511899,1608540,4861373,14726040,45536993,
 138776184,426552305,1305642816,3998654049,
 12283464960,37639150053,115651510068,355188064346,
 1090663423924]