login

A175976 as a simple table

na(n)
02
12
211
356
4245
51010
64079
716364
865513
9262118
101048547
114194272
1216777181
1367108826
14268435415
151073741780
164294967249
1717179869134
1868719476683
19274877906888
201099511627717
214398046511042
2217592186044351
2370368744177596

[2,2,11,56,245,1010,4079,16364,65513,262118,
 1048547,4194272,16777181,67108826,268435415,
 1073741780,4294967249,17179869134,68719476683,
 274877906888,1099511627717,4398046511042,
 17592186044351,70368744177596]