A115631 - cp's OEIS frontend

A115631 Triangle read by rows: row n (n>=2) gives a set of n primes such that the pairwise averages are all distinct primes, having the smallest largest element.

n	a(n)
2	3
3	7
4	3
5	7
6	19
7	3
8	11
9	23
10	71
11	5
12	29
13	53
14	89
15	173
16	3
17	11
18	83
19	131
20	251
21	383
22	5
23	17
24	41
25	101
26	257
27	521
28	881
29	11
30	83
31	251
32	263
33	443
34	1103
35	1511
36	2111
37	257
38	269
39	509
40	857
41	1697
42	2309
43	2477
44	2609
45	5417
46	11
47	83
48	251
49	263
50	1511
51	2351
52	2963
53	7583
54	8663
55	10691

[3, 7, 3, 7, 19, 3, 11, 23, 71, 5, 29, 53, 89, 173, 3, 11, 83, 131, 251, 383, 5, 17, 41, 101, 257, 521, 881, 11, 83, 251, 263, 443, 1103, 1511, 2111, 257, 269, 509, 857, 1697, 2309, 2477, 2609, 5417, 11, 83, 251, 263, 1511, 2351, 2963, 7583, 8663, 10691]

cp's OEIS Frontend

A115631 Triangle read by rows: row n (n>=2) gives a set of n primes such that the pairwise averages are all distinct primes, having the smallest largest element.

Table of values

List of values