A113578 - cp's OEIS frontend

A113578 a(1) = 1, then the rearrangement of odd palindromes such that every concatenation is a prime for n > 1.

n	a(n)
1	1
2	3
3	7
4	11
5	9
6	111
7	33
8	99
9	717
10	151
11	383
12	969
13	3003
14	3663
15	141
16	121
17	10101
18	11711
19	393
20	11811
21	363
22	979
23	77
24	34443
25	171
26	14941
27	989
28	919
29	707
30	34243
31	929
32	7557
33	18781
34	18681
35	131
36	11511
37	30303
38	10701
39	12421
40	12321
41	747
42	7667
43	1441
44	14841
45	13431
46	797
47	16861

[1, 3, 7, 11, 9, 111, 33, 99, 717, 151, 383, 969, 3003, 3663, 141, 121, 10101, 11711, 393, 11811, 363, 979, 77, 34443, 171, 14941, 989, 919, 707, 34243, 929, 7557, 18781, 18681, 131, 11511, 30303, 10701, 12421, 12321, 747, 7667, 1441, 14841, 13431, 797, 16861]

cp's OEIS Frontend

A113578 a(1) = 1, then the rearrangement of odd palindromes such that every concatenation is a prime for n > 1.

Table of values

List of values