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.

A113249 Corresponds to m = 3 in a family of 4th-order linear recurrence sequences given by a(m,n) = m^4*a(n-4) + (2*m)^2*a(n-3) - 4*a(n-1), a(m,0) = -1, a(m,1) = 4, a(m,2) = -13 + 6*(m-1) + 3*(m-1)^2, a(m,3) = (-8+m^2)^2.

Table of values

n a(n)
0 -1
1 4
2 11
3 1
4 59
5 484
6 -1009
7 6241
8 -2761
9 13924
10 87251
11 57121
12 49139
13 4072324
14 -7165609
15 35058241
16 10350959
17 30492484
18 559712411
19 973502401
20 -1957852501
21 30450948004
22 -41421000289
23 174055005601
24 241428053159
25 9658565284
26 2872244917091
27 11300885699041
28 -25300162140061

List of values

[-1, 4, 11, 1, 59, 484, -1009, 6241, -2761, 13924, 87251, 57121, 49139, 4072324, -7165609, 35058241, 10350959, 30492484, 559712411, 973502401, -1957852501, 30450948004, -41421000289, 174055005601, 241428053159, 9658565284, 2872244917091, 11300885699041, -25300162140061]