login

A027955 as a simple table

na(n)
21
37
492
5591
62683
79955
832551
998086
10280271
11773906
122091266
135576298
1414750858
1538839257
16101995694
17267462041
18700813797
191835540197
204806538617
2112585017712
2232949712457
2386265626164
24225849041524
25591283811748
261548005222980
274052735290427
2810610204784368

[1,7,92,591,2683,9955,32551,98086,280271,773906,
 2091266,5576298,14750858,38839257,101995694,
 267462041,700813797,1835540197,4806538617,
 12585017712,32949712457,86265626164,225849041524,
 591283811748,1548005222980,4052735290427,
 10610204784368]