A046931 - cp's OEIS frontend

A046931 Prime islands: for n >= 2, a(n) = least prime whose adjacent primes are exactly 2n apart; a(1) = 3 by convention.

n	a(n)
1	3
2	5
3	7
4	29
5	23
6	53
7	89
8	223
9	113
10	331
11	631
12	211
13	1381
14	1129
15	1637
16	4759
17	2579
18	3433
19	4297
20	1327
21	2179
22	2503
23	7993
24	5623
25	9587
26	17257
27	15859
28	14107
29	19609
30	34981
31	36433
32	33247
33	24281
34	35617
35	43331
36	19661
37	134513
38	31397
39	137029

[3, 5, 7, 29, 23, 53, 89, 223, 113, 331, 631, 211, 1381, 1129, 1637, 4759, 2579, 3433, 4297, 1327, 2179, 2503, 7993, 5623, 9587, 17257, 15859, 14107, 19609, 34981, 36433, 33247, 24281, 35617, 43331, 19661, 134513, 31397, 137029]

cp's OEIS Frontend

A046931 Prime islands: for n >= 2, a(n) = least prime whose adjacent primes are exactly 2n apart; a(1) = 3 by convention.

Table of values

List of values