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.

A122734 a(n) = A121265(n) - A121263(n).

Table of values

n a(n)
10 0
11 0
12 0
13 0
14 0
15 5
16 17
17 38
18 86
19 365
20 1575
21 11904
22 249324
23 14103554
24 5358891212
25 19563802362362
26 3359230167951559162
27 181335944930584275675837231
28 54416647690014492928933662292768862601
29 6605721238793689879501639879905020611382966457124102349
30 360539645288616164606228883801608423987740093330992456820074646988075733781888309

List of values

[0, 0, 0, 0, 0, 5, 17, 38, 86, 365, 1575, 11904, 249324, 14103554, 5358891212, 19563802362362, 3359230167951559162, 181335944930584275675837231, 54416647690014492928933662292768862601, 6605721238793689879501639879905020611382966457124102349, 360539645288616164606228883801608423987740093330992456820074646988075733781888309]