A011898 - cp's OEIS frontend

A011898 a(n) = floor(n(n-1)(n-2)/16).

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	3
6	7
7	13
8	21
9	31
10	45
11	61
12	82
13	107
14	136
15	170
16	210
17	255
18	306
19	363
20	427
21	498
22	577
23	664
24	759
25	862
26	975
27	1096
28	1228
29	1370
30	1522
31	1685
32	1860
33	2046
34	2244
35	2454
36	2677
37	2913
38	3163
39	3427
40	3705
41	3997
42	4305

[0, 0, 0, 0, 1, 3, 7, 13, 21, 31, 45, 61, 82, 107, 136, 170, 210, 255, 306, 363, 427, 498, 577, 664, 759, 862, 975, 1096, 1228, 1370, 1522, 1685, 1860, 2046, 2244, 2454, 2677, 2913, 3163, 3427, 3705, 3997, 4305]

cp's OEIS Frontend

A011898 a(n) = floor(n(n-1)(n-2)/16).

Table of values

List of values

cp's OEIS Frontend

A011898 a(n) = floor(n*(n-1)*(n-2)/16).

Table of values

List of values

A011898 a(n) = floor(n(n-1)(n-2)/16).