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.

A176198 Triangle, read by rows, T(n, k) = f(n,k,q) - f(n,0,q) + 1, where f(n, k, q) = [x^k](p(x,n,q)), p(x, n, q) = (1-x)^(n+1)*Sum_{k >= 0} ( (q*k+1)^n + (q*(k+1)-1)^n )*x^k, and q = 2.

Table of values

n a(n)
0 1
1 1
2 1
3 1
4 11
5 1
6 1
7 45
8 45
9 1
10 1
11 151
12 459
13 151
14 1
15 1
16 473
17 3363
18 3363
19 473
20 1
21 1
22 1443
23 21085
24 47095
25 21085
26 1443
27 1
28 1
29 4357
30 121313
31 519445
32 519445
33 121313
34 4357
35 1
36 1
37 13103
38 663223
39 4970575
40 9350027
41 4970575
42 663223
43 13103
44 1
45 1
46 39345
47 3512679
48 43415943
49 138826587
50 138826587
51 43415943
52 3512679
53 39345
54 1

List of values

[1, 1, 1, 1, 11, 1, 1, 45, 45, 1, 1, 151, 459, 151, 1, 1, 473, 3363, 3363, 473, 1, 1, 1443, 21085, 47095, 21085, 1443, 1, 1, 4357, 121313, 519445, 519445, 121313, 4357, 1, 1, 13103, 663223, 4970575, 9350027, 4970575, 663223, 13103, 1, 1, 39345, 3512679, 43415943, 138826587, 138826587, 43415943, 3512679, 39345, 1]