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.

A192875 Coefficient of x in the reduction by (x^2 -> x + 1) of the polynomial p(n,x) given in Comments.

Table of values

n a(n)
0 0
1 1
2 3
3 11
4 37
5 119
6 391
7 1257
8 4087
9 13195
10 42757
11 138271
12 447615
13 1448249
14 4687071
15 15166963
16 49082501
17 158832391
18 513995543
19 1663319433
20 5382623015
21 17418520571
22 56367538373
23 182409150671
24 590288468367
25 1910213517529

List of values

[0, 1, 3, 11, 37, 119, 391, 1257, 4087, 13195, 42757, 138271, 447615, 1448249, 4687071, 15166963, 49082501, 158832391, 513995543, 1663319433, 5382623015, 17418520571, 56367538373, 182409150671, 590288468367, 1910213517529]