A011935 - cp's OEIS frontend

A011935 a(n) = floor( n(n-1)(n-2)*(n-3)/25 ).

n	a(n)
0	0
1	0
2	0
3	0
4	0
5	4
6	14
7	33
8	67
9	120
10	201
11	316
12	475
13	686
14	960
15	1310
16	1747
17	2284
18	2937
19	3720
20	4651
21	5745
22	7022
23	8500
24	10200
25	12144
26	14352
27	16848
28	19656
29	22800
30	26308
31	30206
32	34521
33	39283
34	44520
35	50265
36	56548
37	63403
38	70862
39	78960
40	87734
41	97219
42	107452
43	118473

[0, 0, 0, 0, 0, 4, 14, 33, 67, 120, 201, 316, 475, 686, 960, 1310, 1747, 2284, 2937, 3720, 4651, 5745, 7022, 8500, 10200, 12144, 14352, 16848, 19656, 22800, 26308, 30206, 34521, 39283, 44520, 50265, 56548, 63403, 70862, 78960, 87734, 97219, 107452, 118473]

cp's OEIS Frontend

A011935 a(n) = floor( n(n-1)(n-2)*(n-3)/25 ).

Table of values

List of values

cp's OEIS Frontend

A011935 a(n) = floor( n*(n-1)*(n-2)*(n-3)/25 ).

Table of values

List of values

A011935 a(n) = floor( n(n-1)(n-2)*(n-3)/25 ).