A245358 - cp's OEIS frontend

A245358 Least number m such that d_1^j + d_2^j + ... + d_k^j is prime for j = 1, 2, 3, ... n and is composite for j = n+1, where d_1, d_2, ... d_k are the digits of m.

n	a(n)
1	2
2	12
3	199
4	113
5	14459
6	223
7	1133779
8	1111222
9	2225
10	222222666689
11	111111111222344678
12	112225556779999
13	1122233333333444555888888
14	111111111133333333334444555666

[2, 12, 199, 113, 14459, 223, 1133779, 1111222, 2225, 222222666689, 111111111222344678, 112225556779999, 1122233333333444555888888, 111111111133333333334444555666]

cp's OEIS Frontend

A245358 Least number m such that d_1^j + d_2^j + ... + d_k^j is prime for j = 1, 2, 3, ... n and is composite for j = n+1, where d_1, d_2, ... d_k are the digits of m.

Table of values

List of values