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.

A276179 n^2 * a(n) = 2*(7*n^2 - 7*n + 3)*a(n-1) - 12*(7*n^2 - 14*n + 9)*a(n-2) + 39*(7*n^2 - 21*n + 18) * a(n-3) - 72*(7*n^2 - 28*n + 30)*a(n-4) + 72*(7*n^2 - 35*n + 45) * a(n-5) - 216*(n-3)^2 * a(n-6), with a(0)=1, a(1)=6, a(2)=24, a(3)=78, a(4)=216, a(5)=504.

Table of values

n a(n)
0 1
1 6
2 24
3 78
4 216
5 504
6 906
7 756
8 -2808
9 -17832
10 -57312
11 -104832
12 81882
13 1734156
14 9360576
15 35755956
16 106475472
17 232967664
18 215497680
19 -1178534304
20 -8734303296
21 -36146763648
22 -108833048064
23 -220247838720
24 -46688571558
25 2220777704700
26 13473296923536
27 53523581091900

List of values

[1, 6, 24, 78, 216, 504, 906, 756, -2808, -17832, -57312, -104832, 81882, 1734156, 9360576, 35755956, 106475472, 232967664, 215497680, -1178534304, -8734303296, -36146763648, -108833048064, -220247838720, -46688571558, 2220777704700, 13473296923536, 53523581091900]