A224612 - cp's OEIS frontend

A224612 Let p = prime(n). Smallest j such that q = j2p^3-1, r = jp2q^2-1, s = jp2r^2-1, and jp2*s^2-1 are prime numbers.

n	a(n)
1	29952
2	12063
3	1463
4	6102
5	11661
6	49552
7	639179
8	2099290
9	291248
10	393186
11	545251
12	321303
13	436641
14	278295
15	746832
16	237852
17	56490
18	165901
19	152847
20	619755
21	777177
22	3410085
23	117513
24	2015421
25	497170
26	14750
27	161190
28	347039
29	251835
30	57536
31	222
32	2083286
33	384944
34	1228474
35	3909960
36	344164
37	332224
38	207751
39	14060

[29952, 12063, 1463, 6102, 11661, 49552, 639179, 2099290, 291248, 393186, 545251, 321303, 436641, 278295, 746832, 237852, 56490, 165901, 152847, 619755, 777177, 3410085, 117513, 2015421, 497170, 14750, 161190, 347039, 251835, 57536, 222, 2083286, 384944, 1228474, 3909960, 344164, 332224, 207751, 14060]

cp's OEIS Frontend

A224612 Let p = prime(n). Smallest j such that q = j2p^3-1, r = jp2q^2-1, s = jp2r^2-1, and jp2*s^2-1 are prime numbers.

Table of values

List of values

cp's OEIS Frontend

A224612 Let p = prime(n). Smallest j such that q = j*2*p^3-1, r = j*p*2*q^2-1, s = j*p*2*r^2-1, and j*p*2*s^2-1 are prime numbers.

Table of values

List of values

A224612 Let p = prime(n). Smallest j such that q = j2p^3-1, r = jp2q^2-1, s = jp2r^2-1, and jp2*s^2-1 are prime numbers.