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.

A361878 a(n) = hypergeom([-n, -n, n, n + 1], [1, 1, 1], 1).

Table of values

n a(n)
0 1
1 3
2 43
3 849
4 19371
5 480503
6 12587065
7 342634365
8 9596641195
9 274766987955
10 8005895472543
11 236615835243329
12 7076435929811769
13 213755697648537567
14 6512143129366530853
15 199862758637494411349
16 6173557491107989995435
17 191779157650960532459435
18 5987596175475052883532955

List of values

[1, 3, 43, 849, 19371, 480503, 12587065, 342634365, 9596641195, 274766987955, 8005895472543, 236615835243329, 7076435929811769, 213755697648537567, 6512143129366530853, 199862758637494411349, 6173557491107989995435, 191779157650960532459435, 5987596175475052883532955]