A011932 - cp's OEIS frontend

A011932 a(n) = floor( n(n-1)(n-2)*(n-3)/22 ).

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	5
6	16
7	38
8	76
9	137
10	229
11	360
12	540
13	780
14	1092
15	1489
16	1985
17	2596
18	3338
19	4228
20	5285
21	6529
22	7980
23	9660
24	11592
25	13800
26	16309
27	19145
28	22336
29	25910
30	29896
31	34325
32	39229
33	44640
34	50592
35	57120
36	64260
37	72049
38	80525
39	89728
40	99698
41	110476
42	122105
43	134629
44	148092
45	162540
46	178020
47	194580
48	212269
49	231137

[0, 0, 0, 0, 1, 5, 16, 38, 76, 137, 229, 360, 540, 780, 1092, 1489, 1985, 2596, 3338, 4228, 5285, 6529, 7980, 9660, 11592, 13800, 16309, 19145, 22336, 25910, 29896, 34325, 39229, 44640, 50592, 57120, 64260, 72049, 80525, 89728, 99698, 110476, 122105, 134629, 148092, 162540, 178020, 194580, 212269, 231137]

cp's OEIS Frontend

A011932 a(n) = floor( n(n-1)(n-2)*(n-3)/22 ).

Table of values

List of values

cp's OEIS Frontend

A011932 a(n) = floor( n*(n-1)*(n-2)*(n-3)/22 ).

Table of values

List of values

A011932 a(n) = floor( n(n-1)(n-2)*(n-3)/22 ).