A174264 - cp's OEIS frontend

A174264 Irregular triangle T(n, k) = [x^k]( p(n, x) ), where p(n, x) = (1/x)(1-x)^(3n+1)Sum_{k >= 0} (k(k+1)(2k+1)/6)^n*x^k and p(0, x) = 1, read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	18
5	42
6	18
7	1
8	1
9	115
10	1539
11	5065
12	5065
13	1539
14	115
15	1
16	1
17	612
18	30369
19	359056
20	1439038
21	2255448
22	1439038
23	359056
24	30369
25	612
26	1
27	1
28	3109
29	487944
30	16069256
31	177275075
32	808273143
33	1688579472
34	1688579472
35	808273143
36	177275075
37	16069256
38	487944
39	3109
40	1

[1, 1, 1, 1, 18, 42, 18, 1, 1, 115, 1539, 5065, 5065, 1539, 115, 1, 1, 612, 30369, 359056, 1439038, 2255448, 1439038, 359056, 30369, 612, 1, 1, 3109, 487944, 16069256, 177275075, 808273143, 1688579472, 1688579472, 808273143, 177275075, 16069256, 487944, 3109, 1]

cp's OEIS Frontend

A174264 Irregular triangle T(n, k) = [x^k]( p(n, x) ), where p(n, x) = (1/x)(1-x)^(3n+1)Sum_{k >= 0} (k(k+1)(2k+1)/6)^n*x^k and p(0, x) = 1, read by rows.

Table of values

List of values

cp's OEIS Frontend

A174264 Irregular triangle T(n, k) = [x^k]( p(n, x) ), where p(n, x) = (1/x)*(1-x)^(3*n+1)*Sum_{k >= 0} (k*(k+1)*(2*k+1)/6)^n*x^k and p(0, x) = 1, read by rows.

Table of values

List of values

A174264 Irregular triangle T(n, k) = [x^k]( p(n, x) ), where p(n, x) = (1/x)(1-x)^(3n+1)Sum_{k >= 0} (k(k+1)(2k+1)/6)^n*x^k and p(0, x) = 1, read by rows.