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.

A192961 Coefficient of x in the reduction by x^2 -> x+1 of the polynomial p(n,x) defined at Comments.

Table of values

n a(n)
0 0
1 1
2 4
3 11
4 26
5 55
6 108
7 201
8 360
9 627
10 1070
11 1799
12 2992
13 4937
14 8100
15 13235
16 21562
17 35055
18 56908
19 92289
20 149560
21 242251
22 392254
23 634991
24 1027776
25 1663345
26 2691748
27 4355771
28 7048250
29 11404807
30 18453900
31 29859609
32 48314472
33 78175107
34 126490670

List of values

[0, 1, 4, 11, 26, 55, 108, 201, 360, 627, 1070, 1799, 2992, 4937, 8100, 13235, 21562, 35055, 56908, 92289, 149560, 242251, 392254, 634991, 1027776, 1663345, 2691748, 4355771, 7048250, 11404807, 18453900, 29859609, 48314472, 78175107, 126490670]