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.

A246062 G.f.: sqrt( (1 + sqrt(1+8*x)) / (1 + sqrt(1-8*x)) ).

Table of values

n a(n)
0 1
1 2
2 2
3 28
4 54
5 860
6 2004
7 33720
8 86054
9 1492908
10 4019452
11 71101832
12 198310460
13 3555617432
14 10168382696
15 184127171952
16 536496907782
17 9788598556876
18 28937139277804
19 531135371147368
20 1588378827366868
21 29295861148032584
22 88439788292856856
23 1637711104368641552

List of values

[1, 2, 2, 28, 54, 860, 2004, 33720, 86054, 1492908, 4019452, 71101832, 198310460, 3555617432, 10168382696, 184127171952, 536496907782, 9788598556876, 28937139277804, 531135371147368, 1588378827366868, 29295861148032584, 88439788292856856, 1637711104368641552]