login

A371351 as a simple table

na(n)
11
21
31
42
54
68
715
837
973
10182
11364
12952
131944
145169
1510659
1628842
1760115
18164450
19345345
20953814
212016144
225609760
2311920740
2433378072
2571250060
26200553733
27429757960
281215177680
292612635888
307416503776

[1,1,1,2,4,8,15,37,73,182,364,952,1944,5169,10659,
 28842,60115,164450,345345,953814,2016144,5609760,
 11920740,33378072,71250060,200553733,429757960,
 1215177680,2612635888,7416503776]