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.

A274573 Column 2 of triangle A274570.

Table of values

n a(n)
0 1
1 3
2 39
3 1125
4 56505
5 4354923
6 476265591
7 70056231213
8 13329387478113
9 3184105899176739
10 932720103991595919
11 328710383679927689157
12 137188135970104212440721
13 66909975066823379752742835
14 37706189062081696231083478647
15 24312515006613477431766856702797
16 17784145956730483348850500758855969
17 14647274671009402833580157237962722147
18 13492886769176913829412675003231182928079

List of values

[1, 3, 39, 1125, 56505, 4354923, 476265591, 70056231213, 13329387478113, 3184105899176739, 932720103991595919, 328710383679927689157, 137188135970104212440721, 66909975066823379752742835, 37706189062081696231083478647, 24312515006613477431766856702797, 17784145956730483348850500758855969, 14647274671009402833580157237962722147, 13492886769176913829412675003231182928079]