A363544 - cp's OEIS frontend

A363544 Least prime p such that 2n can be written as the sum or absolute difference of p and the next prime, or -1 if no such prime exists.

n	a(n)
0	-1
1	3
2	7
3	23
4	3
5	139
6	5
7	113
8	1831
9	7
10	887
11	1129
12	11
13	2477
14	2971
15	13
16	5591
17	1327
18	17
19	30593
20	19333
21	19
22	15683
23	81463
24	28229
25	31907
26	23
27	35617
28	82073
29	44293
30	29
31	34061
32	89689
33	162143
34	31
35	173359
36	31397
37	404597
38	212701
39	37
40	542603
41	265621
42	41
43	155921
44	544279
45	43
46	927869
47	1100977

[-1, 3, 7, 23, 3, 139, 5, 113, 1831, 7, 887, 1129, 11, 2477, 2971, 13, 5591, 1327, 17, 30593, 19333, 19, 15683, 81463, 28229, 31907, 23, 35617, 82073, 44293, 29, 34061, 89689, 162143, 31, 173359, 31397, 404597, 212701, 37, 542603, 265621, 41, 155921, 544279, 43, 927869, 1100977]

cp's OEIS Frontend

A363544 Least prime p such that 2n can be written as the sum or absolute difference of p and the next prime, or -1 if no such prime exists.

Table of values

List of values