cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A265905 a(1) = 1; for n > 1, a(n) = a(n-1) + A153880(a(n-1)).

Table of values

n a(n)
1 1
2 3
3 11
4 49
5 291
6 1979
7 15217
8 136659
9 1349627
10 14561425
11 174637707
12 2254758155
13 31206959833
14 467925825795
15 7453435202483
16 125743951819681
17 2262941842058883
18 42863071603162571
19 852618666050008129
20 17902734514975521891
21 392964858422866610699
22 9001537965557375522737
23 216015564123360144707139
24 5390978540058458090266187

List of values

[1, 3, 11, 49, 291, 1979, 15217, 136659, 1349627, 14561425, 174637707, 2254758155, 31206959833, 467925825795, 7453435202483, 125743951819681, 2262941842058883, 42863071603162571, 852618666050008129, 17902734514975521891, 392964858422866610699, 9001537965557375522737, 216015564123360144707139, 5390978540058458090266187]