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.

A193044 Constant term of the reduction by x^2->x+1 of the polynomial p(n,x) defined at Comments.

Table of values

n a(n)
0 1
1 0
2 2
3 5
4 13
5 28
6 56
7 105
8 189
9 330
10 564
11 949
12 1579
13 2606
14 4276
15 6987
16 11383
17 18506
18 30042
19 48719
20 78951
21 127880
22 207062
23 335195
24 542533
25 878028
26 1420886
27 2299265
28 3720529
29 6020200
30 9741164
31 15761829
32 25503489
33 41265846
34 66769896

List of values

[1, 0, 2, 5, 13, 28, 56, 105, 189, 330, 564, 949, 1579, 2606, 4276, 6987, 11383, 18506, 30042, 48719, 78951, 127880, 207062, 335195, 542533, 878028, 1420886, 2299265, 3720529, 6020200, 9741164, 15761829, 25503489, 41265846, 66769896]