A156186 - cp's OEIS frontend

A156186 Triangle: m=3; e(n,k,n) = (k + m - 1)e(n - 1, k, m) + (mn - k + 1 - m)*e(n - 1, k - 1, m); t(n,k) = e(n,k,m) + e(n,n-k,m).

n	a(n)
0	2
1	1
2	1
3	1
4	6
5	1
6	1
7	30
8	30
9	1
10	1
11	159
12	360
13	159
14	1
15	1
16	1119
17	3639
18	3639
19	1119
20	1
21	1
22	10932
23	41262
24	57414
25	41262
26	10932
27	1
28	1
29	136764
30	582642
31	898632
32	898632
33	582642
34	136764
35	1
36	1
37	2031933
38	9957168
39	16634718
40	17182152
41	16634718
42	9957168
43	2031933
44	1
45	1

[2, 1, 1, 1, 6, 1, 1, 30, 30, 1, 1, 159, 360, 159, 1, 1, 1119, 3639, 3639, 1119, 1, 1, 10932, 41262, 57414, 41262, 10932, 1, 1, 136764, 582642, 898632, 898632, 582642, 136764, 1, 1, 2031933, 9957168, 16634718, 17182152, 16634718, 9957168, 2031933, 1, 1]

cp's OEIS Frontend

A156186 Triangle: m=3; e(n,k,n) = (k + m - 1)e(n - 1, k, m) + (mn - k + 1 - m)*e(n - 1, k - 1, m); t(n,k) = e(n,k,m) + e(n,n-k,m).

Table of values

List of values

cp's OEIS Frontend

A156186 Triangle: m=3; e(n,k,n) = (k + m - 1)*e(n - 1, k, m) + (m*n - k + 1 - m)*e(n - 1, k - 1, m); t(n,k) = e(n,k,m) + e(n,n-k,m).

Table of values

List of values

A156186 Triangle: m=3; e(n,k,n) = (k + m - 1)e(n - 1, k, m) + (mn - k + 1 - m)*e(n - 1, k - 1, m); t(n,k) = e(n,k,m) + e(n,n-k,m).