A011901 - cp's OEIS frontend

A011901 a(n) = floor( n(n-1)(n-2)/19 ).

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	3
6	6
7	11
8	17
9	26
10	37
11	52
12	69
13	90
14	114
15	143
16	176
17	214
18	257
19	306
20	360
21	420
22	486
23	559
24	639
25	726
26	821
27	923
28	1034
29	1153
30	1282
31	1419
32	1566
33	1722
34	1889
35	2066
36	2254
37	2453
38	2664
39	2886
40	3120
41	3366
42	3625
43	3897
44	4182
45	4481
46	4793
47	5120
48	5461
49	5818
50	6189
51	6576
52	6978
53	7397
54	7832
55	8284
56	8753
57	9240
58	9744
59	10266
60	10806
61	11365
62	11943
63	12540
64	13157
65	13793
66	14450
67	15127

[0, 0, 0, 0, 1, 3, 6, 11, 17, 26, 37, 52, 69, 90, 114, 143, 176, 214, 257, 306, 360, 420, 486, 559, 639, 726, 821, 923, 1034, 1153, 1282, 1419, 1566, 1722, 1889, 2066, 2254, 2453, 2664, 2886, 3120, 3366, 3625, 3897, 4182, 4481, 4793, 5120, 5461, 5818, 6189, 6576, 6978, 7397, 7832, 8284, 8753, 9240, 9744, 10266, 10806, 11365, 11943, 12540, 13157, 13793, 14450, 15127]

cp's OEIS Frontend

A011901 a(n) = floor( n(n-1)(n-2)/19 ).

Table of values

List of values

cp's OEIS Frontend

A011901 a(n) = floor( n*(n-1)*(n-2)/19 ).

Table of values

List of values

A011901 a(n) = floor( n(n-1)(n-2)/19 ).