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.

A192426 Constant term of the reduction by x^2 -> x+1 of the polynomial p(n,x) defined below in Comments.

Table of values

n a(n)
0 2
1 0
2 5
3 1
4 18
5 13
6 81
7 106
8 413
9 729
10 2258
11 4653
12 12833
13 28666
14 74493
15 173545
16 437346
17 1041421
18 2583089
19 6221322
20 15304541
21 37079289
22 90826994
23 220729069
24 539487297
25 1313161498
26 3205831869
27 7809748489
28 19054635650
29 46439068365

List of values

[2, 0, 5, 1, 18, 13, 81, 106, 413, 729, 2258, 4653, 12833, 28666, 74493, 173545, 437346, 1041421, 2583089, 6221322, 15304541, 37079289, 90826994, 220729069, 539487297, 1313161498, 3205831869, 7809748489, 19054635650, 46439068365]