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.

A192880 Constant term in the reduction by (x^2 -> x + 1) of the polynomial p(n,x) given in Comments.

Table of values

n a(n)
0 1
1 0
2 3
3 7
4 34
5 123
6 495
7 1912
8 7501
9 29253
10 114342
11 446545
12 1744489
13 6814224
14 26618619
15 103979239
16 406172770
17 1586623227
18 6197795703
19 24210320296
20 94572284197
21 369425778645
22 1443080391558
23 5637075481729
24 22019992977457

List of values

[1, 0, 3, 7, 34, 123, 495, 1912, 7501, 29253, 114342, 446545, 1744489, 6814224, 26618619, 103979239, 406172770, 1586623227, 6197795703, 24210320296, 94572284197, 369425778645, 1443080391558, 5637075481729, 22019992977457]