A011933 - cp's OEIS frontend

A011933 a(n) = floor( n(n-1)(n-2)*(n-3)/23 ).

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	5
6	15
7	36
8	73
9	131
10	219
11	344
12	516
13	746
14	1044
15	1424
16	1899
17	2483
18	3193
19	4044
20	5055
21	6245
22	7633
23	9240
24	11088
25	13200
26	15600
27	18313
28	21365
29	24783
30	28596
31	32833
32	37523
33	42699
34	48392
35	54636
36	61466
37	68916
38	77024
39	85827
40	95363
41	105673
42	116796
43	128775
44	141653
45	155473
46	170280
47	186120
48	203040
49	221088

[0, 0, 0, 0, 1, 5, 15, 36, 73, 131, 219, 344, 516, 746, 1044, 1424, 1899, 2483, 3193, 4044, 5055, 6245, 7633, 9240, 11088, 13200, 15600, 18313, 21365, 24783, 28596, 32833, 37523, 42699, 48392, 54636, 61466, 68916, 77024, 85827, 95363, 105673, 116796, 128775, 141653, 155473, 170280, 186120, 203040, 221088]

cp's OEIS Frontend

A011933 a(n) = floor( n(n-1)(n-2)*(n-3)/23 ).

Table of values

List of values

cp's OEIS Frontend

A011933 a(n) = floor( n*(n-1)*(n-2)*(n-3)/23 ).

Table of values

List of values

A011933 a(n) = floor( n(n-1)(n-2)*(n-3)/23 ).