A316791 - cp's OEIS frontend

A316791 a(n) is the least prime p such that the second forward difference of three consecutive primes p, q and r is n = (p - 2q + r)/2.

n	a(n)
0	3
1	5
2	29
3	503
4	137
5	109
6	1063
7	1931
8	521
9	7951
10	1949
11	1667
12	5743
13	2969
14	1321
15	15817
16	9547
17	28349
18	45433
19	20807
20	15679
21	113837
22	43793
23	19603
24	40283
25	25469
26	40637
27	156151
28	79697
29	34057
30	282487
31	134507
32	552401
33	770663
34	31393
35	188021
36	480203
37	461707
38	281429
39	1078241
40	265619
41	637937

[3, 5, 29, 503, 137, 109, 1063, 1931, 521, 7951, 1949, 1667, 5743, 2969, 1321, 15817, 9547, 28349, 45433, 20807, 15679, 113837, 43793, 19603, 40283, 25469, 40637, 156151, 79697, 34057, 282487, 134507, 552401, 770663, 31393, 188021, 480203, 461707, 281429, 1078241, 265619, 637937]

cp's OEIS Frontend

A316791 a(n) is the least prime p such that the second forward difference of three consecutive primes p, q and r is n = (p - 2q + r)/2.

Table of values

List of values