A222963 - cp's OEIS frontend

A222963 a(n) = (p-3)*(p+3)/4 where p is the n-th prime.

n	a(n)
2	0
3	4
4	10
5	28
6	40
7	70
8	88
9	130
10	208
11	238
12	340
13	418
14	460
15	550
16	700
17	868
18	928
19	1120
20	1258
21	1330
22	1558
23	1720
24	1978
25	2350
26	2548
27	2650
28	2860
29	2968
30	3190
31	4030
32	4288
33	4690
34	4828
35	5548
36	5698
37	6160
38	6640
39	6970
40	7480
41	8008
42	8188

[0, 4, 10, 28, 40, 70, 88, 130, 208, 238, 340, 418, 460, 550, 700, 868, 928, 1120, 1258, 1330, 1558, 1720, 1978, 2350, 2548, 2650, 2860, 2968, 3190, 4030, 4288, 4690, 4828, 5548, 5698, 6160, 6640, 6970, 7480, 8008, 8188]

cp's OEIS Frontend

A222963 a(n) = (p-3)*(p+3)/4 where p is the n-th prime.

Table of values

List of values