A244492 - cp's OEIS frontend

A244492 Triangle read by rows: T(n,k) (n>=2, 0 <= k <= n-2) = n!/(2^ii!k!), where k=n-2i (or 0 for entries with wrong parity).

n	a(n)
0	1
1	0
2	3
3	3
4	0
5	6
6	0
7	15
8	0
9	10
10	15
11	0
12	45
13	0
14	15
15	0
16	105
17	0
18	105
19	0
20	21
21	105
22	0
23	420
24	0
25	210
26	0
27	28
28	0
29	945
30	0
31	1260
32	0
33	378
34	0
35	36
36	945
37	0
38	4725
39	0
40	3150
41	0
42	630
43	0
44	45

[1, 0, 3, 3, 0, 6, 0, 15, 0, 10, 15, 0, 45, 0, 15, 0, 105, 0, 105, 0, 21, 105, 0, 420, 0, 210, 0, 28, 0, 945, 0, 1260, 0, 378, 0, 36, 945, 0, 4725, 0, 3150, 0, 630, 0, 45]

cp's OEIS Frontend

A244492 Triangle read by rows: T(n,k) (n>=2, 0 <= k <= n-2) = n!/(2^ii!k!), where k=n-2i (or 0 for entries with wrong parity).

Table of values

List of values

cp's OEIS Frontend

A244492 Triangle read by rows: T(n,k) (n>=2, 0 <= k <= n-2) = n!/(2^i*i!*k!), where k=n-2i (or 0 for entries with wrong parity).

Table of values

List of values

A244492 Triangle read by rows: T(n,k) (n>=2, 0 <= k <= n-2) = n!/(2^ii!k!), where k=n-2i (or 0 for entries with wrong parity).