A118933 - cp's OEIS frontend

A118933 Triangle, read by rows, where T(n,k) = n!/(k!(n-4k)!4^k) for n>=4k>=0.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	6
6	1
7	30
8	1
9	90
10	1
11	210
12	1
13	420
14	1260
15	1
16	756
17	11340
18	1
19	1260
20	56700
21	1
22	1980
23	207900
24	1
25	2970
26	623700
27	1247400
28	1
29	4290
30	1621620
31	16216200
32	1
33	6006
34	3783780
35	113513400
36	1
37	8190
38	8108100
39	567567000
40	1
41	10920
42	16216200
43	2270268000
44	3405402000

[1, 1, 1, 1, 1, 6, 1, 30, 1, 90, 1, 210, 1, 420, 1260, 1, 756, 11340, 1, 1260, 56700, 1, 1980, 207900, 1, 2970, 623700, 1247400, 1, 4290, 1621620, 16216200, 1, 6006, 3783780, 113513400, 1, 8190, 8108100, 567567000, 1, 10920, 16216200, 2270268000, 3405402000]

cp's OEIS Frontend

A118933 Triangle, read by rows, where T(n,k) = n!/(k!(n-4k)!4^k) for n>=4k>=0.

Table of values

List of values

cp's OEIS Frontend

A118933 Triangle, read by rows, where T(n,k) = n!/(k!*(n-4*k)!*4^k) for n>=4*k>=0.

Table of values

List of values

A118933 Triangle, read by rows, where T(n,k) = n!/(k!(n-4k)!4^k) for n>=4k>=0.