A030006 - cp's OEIS frontend

A030006 a(n) = (prime(n)-1)*(prime(n)-5)/12.

n	a(n)
3	0
4	1
5	5
6	8
7	16
8	21
9	33
10	56
11	65
12	96
13	120
14	133
15	161
16	208
17	261
18	280
19	341
20	385
21	408
22	481
23	533
24	616
25	736
26	800
27	833
28	901
29	936
30	1008
31	1281
32	1365
33	1496
34	1541
35	1776
36	1825
37	1976
38	2133
39	2241
40	2408
41	2581
42	2640
43	2945
44	3008
45	3136
46	3201
47	3605
48	4033
49	4181
50	4256
51	4408
52	4641

[0, 1, 5, 8, 16, 21, 33, 56, 65, 96, 120, 133, 161, 208, 261, 280, 341, 385, 408, 481, 533, 616, 736, 800, 833, 901, 936, 1008, 1281, 1365, 1496, 1541, 1776, 1825, 1976, 2133, 2241, 2408, 2581, 2640, 2945, 3008, 3136, 3201, 3605, 4033, 4181, 4256, 4408, 4641]

cp's OEIS Frontend

A030006 a(n) = (prime(n)-1)*(prime(n)-5)/12.

Table of values

List of values