login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A188948 as a simple table

na(n)
00
12
25
39
4119
5122
6828
74449
8239
956403
10145668
11246046
123369960
133627003
1423161315
15128629846
1613651680
171590277918
184241902555
196712571031
2095420159401
21107655263398
22647549275812
233718150825791
24584824319281
2544827014819597
26123471611274972
27182714776311554
282701419604443960
293190610873034597
3018094618450123325

[0,2,5,9,119,122,828,4449,239,56403,145668,246046,
 3369960,3627003,23161315,128629846,13651680,
 1590277918,4241902555,6712571031,95420159401,
 107655263398,647549275812,3718150825791,
 584824319281,44827014819597,123471611274972,
 182714776311554,2701419604443960,3190610873034597,
 18094618450123325]