A385481 - cp's OEIS frontend

A385481 Primes whose decimal expansion consists of the concatenation of ij, iijj, iiijjj,..., and m i’s followed by m j’s, i != j, where 1<= i, j <= 9 and m > 0.

n	a(n)
1	13
2	17
3	19
4	23
5	29
6	31
7	37
8	41
9	43
10	47
11	53
12	59
13	61
14	67
15	71
16	73
17	79
18	83
19	89
20	97
21	31331133311133331111
22	37337733377733337777
23	43443344433344443333
24	49449944499944449999

[13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97, 31331133311133331111, 37337733377733337777, 43443344433344443333, 49449944499944449999]

cp's OEIS Frontend

A385481 Primes whose decimal expansion consists of the concatenation of ij, iijj, iiijjj,..., and m i’s followed by m j’s, i != j, where 1<= i, j <= 9 and m > 0.

Table of values

List of values