login

A171877 as a simple table

na(n)
00
10
21
31
41
53
65
79
825
973
10423
1161297
123814697357801
1338288777744833624093154249190851262684887027625

[0,0,1,1,1,3,5,9,25,73,423,61297,3814697357801,
 38288777744833624093154249190851262684887027625]