A011897 - cp's OEIS frontend

A011897 a(n) = floor(n(n-1)(n-2)/15).

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	4
6	8
7	14
8	22
9	33
10	48
11	66
12	88
13	114
14	145
15	182
16	224
17	272
18	326
19	387
20	456
21	532
22	616
23	708
24	809
25	920
26	1040
27	1170
28	1310
29	1461
30	1624
31	1798
32	1984
33	2182
34	2393
35	2618
36	2856
37	3108
38	3374
39	3655
40	3952
41	4264
42	4592
43	4936
44	5297
45	5676
46	6072
47	6486
48	6918
49	7369
50	7840

[0, 0, 0, 0, 1, 4, 8, 14, 22, 33, 48, 66, 88, 114, 145, 182, 224, 272, 326, 387, 456, 532, 616, 708, 809, 920, 1040, 1170, 1310, 1461, 1624, 1798, 1984, 2182, 2393, 2618, 2856, 3108, 3374, 3655, 3952, 4264, 4592, 4936, 5297, 5676, 6072, 6486, 6918, 7369, 7840]

cp's OEIS Frontend

A011897 a(n) = floor(n(n-1)(n-2)/15).

Table of values

List of values

cp's OEIS Frontend

A011897 a(n) = floor(n*(n-1)*(n-2)/15).

Table of values

List of values

A011897 a(n) = floor(n(n-1)(n-2)/15).