A273221 - cp's OEIS frontend

A273221 a(n) = p(p - 1)(13*p - 5)/6, where p = prime(n).

n	a(n)
1	7
2	34
3	200
4	602
5	2530
6	4264
7	9792
8	13794
9	24794
10	50344
11	61690
12	105672
13	144320
14	166754
15	218362
16	314184
17	434594
18	480680
19	638242
20	760410
21	826944
22	1049594
23	1218274
24	1503744
25	1949312
26	2201800
27	2335834
28	2620002
29	2770344
30	3088064
31	4389882
32	4819490
33	5515072

[7, 34, 200, 602, 2530, 4264, 9792, 13794, 24794, 50344, 61690, 105672, 144320, 166754, 218362, 314184, 434594, 480680, 638242, 760410, 826944, 1049594, 1218274, 1503744, 1949312, 2201800, 2335834, 2620002, 2770344, 3088064, 4389882, 4819490, 5515072]

cp's OEIS Frontend

A273221 a(n) = p(p - 1)(13*p - 5)/6, where p = prime(n).

Table of values

List of values

cp's OEIS Frontend

A273221 a(n) = p*(p - 1)*(13*p - 5)/6, where p = prime(n).

Table of values

List of values

A273221 a(n) = p(p - 1)(13*p - 5)/6, where p = prime(n).