A174449 - cp's OEIS frontend

A174449 Triangle T(n, k, q) = n!(n+1)!q^k/((n-k)!(n-k+1)!) if floor(n/2) > k-1, otherwise n!(n+1)!q^(n-k)/(k!*(k+1)!) for q = 1, read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	6
5	1
6	1
7	12
8	12
9	1
10	1
11	20
12	240
13	20
14	1
15	1
16	30
17	600
18	600
19	30
20	1
21	1
22	42
23	1260
24	25200
25	1260
26	42
27	1
28	1
29	56
30	2352
31	70560
32	70560
33	2352
34	56
35	1
36	1
37	72
38	4032
39	169344
40	5080320
41	169344
42	4032
43	72
44	1
45	1
46	90
47	6480
48	362880
49	15240960
50	15240960
51	362880
52	6480
53	90
54	1

[1, 1, 1, 1, 6, 1, 1, 12, 12, 1, 1, 20, 240, 20, 1, 1, 30, 600, 600, 30, 1, 1, 42, 1260, 25200, 1260, 42, 1, 1, 56, 2352, 70560, 70560, 2352, 56, 1, 1, 72, 4032, 169344, 5080320, 169344, 4032, 72, 1, 1, 90, 6480, 362880, 15240960, 15240960, 362880, 6480, 90, 1]

cp's OEIS Frontend

A174449 Triangle T(n, k, q) = n!(n+1)!q^k/((n-k)!(n-k+1)!) if floor(n/2) > k-1, otherwise n!(n+1)!q^(n-k)/(k!*(k+1)!) for q = 1, read by rows.

Table of values

List of values

cp's OEIS Frontend

A174449 Triangle T(n, k, q) = n!*(n+1)!*q^k/((n-k)!(n-k+1)!) if floor(n/2) > k-1, otherwise n!*(n+1)!*q^(n-k)/(k!*(k+1)!) for q = 1, read by rows.

Table of values

List of values

A174449 Triangle T(n, k, q) = n!(n+1)!q^k/((n-k)!(n-k+1)!) if floor(n/2) > k-1, otherwise n!(n+1)!q^(n-k)/(k!*(k+1)!) for q = 1, read by rows.