A154228 - cp's OEIS frontend

A154228 Triangle T(n, k) = T(n-1, k) + T(n-1, k-1) + ((n+1)(n+2)(2n+3)/6)T(n-2, k-1), read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	16
5	1
6	1
7	47
8	47
9	1
10	1
11	103
12	974
13	103
14	1
15	1
16	195
17	5354
18	5354
19	195
20	1
21	1
22	336
23	19969
24	147068
25	19969
26	336
27	1
28	1
29	541
30	60085
31	1259253
32	1259253
33	60085
34	541
35	1
36	1
37	827
38	156386
39	7010503
40	44432886
41	7010503
42	156386
43	827
44	1
45	1
46	1213
47	365498
48	30299614
49	536255794
50	536255794
51	30299614
52	365498
53	1213
54	1

[1, 1, 1, 1, 16, 1, 1, 47, 47, 1, 1, 103, 974, 103, 1, 1, 195, 5354, 5354, 195, 1, 1, 336, 19969, 147068, 19969, 336, 1, 1, 541, 60085, 1259253, 1259253, 60085, 541, 1, 1, 827, 156386, 7010503, 44432886, 7010503, 156386, 827, 1, 1, 1213, 365498, 30299614, 536255794, 536255794, 30299614, 365498, 1213, 1]

cp's OEIS Frontend

A154228 Triangle T(n, k) = T(n-1, k) + T(n-1, k-1) + ((n+1)(n+2)(2n+3)/6)T(n-2, k-1), read by rows.

Table of values

List of values

cp's OEIS Frontend

A154228 Triangle T(n, k) = T(n-1, k) + T(n-1, k-1) + ((n+1)*(n+2)*(2*n+3)/6)*T(n-2, k-1), read by rows.

Table of values

List of values

A154228 Triangle T(n, k) = T(n-1, k) + T(n-1, k-1) + ((n+1)(n+2)(2n+3)/6)T(n-2, k-1), read by rows.