A157208 - cp's OEIS frontend

A157208 Triangle T(n, k, m) = (m(n-k) + 1)T(n-1, k-1, m) + (mk + 1)T(n-1, k, m) + mf(n,k)T(n-2, k-1, m) with T(n, 0, m) = T(n, n, m) = 1, f(n, k) = k if k <= floor(n/2) otherwise n-k, and m = 2, read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	8
5	1
6	1
7	31
8	31
9	1
10	1
11	102
12	342
13	102
14	1
15	1
16	317
17	2548
18	2548
19	317
20	1
21	1
22	964
23	16001
24	37724
25	16001
26	964
27	1
28	1
29	2907
30	91877
31	423365
32	423365
33	91877
34	2907
35	1
36	1
37	8738
38	501032
39	4070208
40	7922362
41	4070208
42	501032
43	8738
44	1
45	1
46	26233
47	2647858
48	35556134
49	119460466
50	119460466
51	35556134
52	2647858
53	26233
54	1

[1, 1, 1, 1, 8, 1, 1, 31, 31, 1, 1, 102, 342, 102, 1, 1, 317, 2548, 2548, 317, 1, 1, 964, 16001, 37724, 16001, 964, 1, 1, 2907, 91877, 423365, 423365, 91877, 2907, 1, 1, 8738, 501032, 4070208, 7922362, 4070208, 501032, 8738, 1, 1, 26233, 2647858, 35556134, 119460466, 119460466, 35556134, 2647858, 26233, 1]

cp's OEIS Frontend

A157208 Triangle T(n, k, m) = (m(n-k) + 1)T(n-1, k-1, m) + (mk + 1)T(n-1, k, m) + mf(n,k)T(n-2, k-1, m) with T(n, 0, m) = T(n, n, m) = 1, f(n, k) = k if k <= floor(n/2) otherwise n-k, and m = 2, read by rows.

Table of values

List of values

cp's OEIS Frontend

A157208 Triangle T(n, k, m) = (m*(n-k) + 1)*T(n-1, k-1, m) + (m*k + 1)*T(n-1, k, m) + m*f(n,k)*T(n-2, k-1, m) with T(n, 0, m) = T(n, n, m) = 1, f(n, k) = k if k <= floor(n/2) otherwise n-k, and m = 2, read by rows.

Table of values

List of values

A157208 Triangle T(n, k, m) = (m(n-k) + 1)T(n-1, k-1, m) + (mk + 1)T(n-1, k, m) + mf(n,k)T(n-2, k-1, m) with T(n, 0, m) = T(n, n, m) = 1, f(n, k) = k if k <= floor(n/2) otherwise n-k, and m = 2, read by rows.