login

A178248 as a simple table

na(n)
02
113
2145
31729
420737
5248833
62985985
735831809
8429981697
95159780353
1061917364225
11743008370689
128916100448257
13106993205379073
141283918464548865
1515407021574586369
16184884258895036417
172218611106740436993

[2,13,145,1729,20737,248833,2985985,35831809,
 429981697,5159780353,61917364225,743008370689,
 8916100448257,106993205379073,1283918464548865,
 15407021574586369,184884258895036417,
 2218611106740436993]