A154283 - cp's OEIS frontend

A154283 Irregular triangle read by rows: T(n,k) = Sum_{i=0..k} (-1)^i * binomial(2n+1,i) binomial(k+2-i,2)^n, 0 <= k <= 2*(n-1).

n	a(n)
1	1
2	1
3	4
4	1
5	1
6	20
7	48
8	20
9	1
10	1
11	72
12	603
13	1168
14	603
15	72
16	1
17	1
18	232
19	5158
20	27664
21	47290
22	27664
23	5158
24	232
25	1
26	1
27	716
28	37257
29	450048
30	1822014
31	2864328
32	1822014
33	450048
34	37257
35	716
36	1
37	1
38	2172
39	247236
40	6030140
41	49258935
42	163809288
43	242384856
44	163809288
45	49258935
46	6030140
47	247236
48	2172
49	1

[1, 1, 4, 1, 1, 20, 48, 20, 1, 1, 72, 603, 1168, 603, 72, 1, 1, 232, 5158, 27664, 47290, 27664, 5158, 232, 1, 1, 716, 37257, 450048, 1822014, 2864328, 1822014, 450048, 37257, 716, 1, 1, 2172, 247236, 6030140, 49258935, 163809288, 242384856, 163809288, 49258935, 6030140, 247236, 2172, 1]

cp's OEIS Frontend

A154283 Irregular triangle read by rows: T(n,k) = Sum_{i=0..k} (-1)^i * binomial(2n+1,i) binomial(k+2-i,2)^n, 0 <= k <= 2*(n-1).

Table of values

List of values

cp's OEIS Frontend

A154283 Irregular triangle read by rows: T(n,k) = Sum_{i=0..k} (-1)^i * binomial(2*n+1,i) * binomial(k+2-i,2)^n, 0 <= k <= 2*(n-1).

Table of values

List of values

A154283 Irregular triangle read by rows: T(n,k) = Sum_{i=0..k} (-1)^i * binomial(2n+1,i) binomial(k+2-i,2)^n, 0 <= k <= 2*(n-1).