A390484 Smallest prime obtained by concatenating a permutation of the divisors of A390451(n).

13, 241, 17, 139, 1122643, 113, 164821, 191, 13217, 2551, 12739, 11428247, 131, 112182363649, 137, 133391, 431, 11216224468483, 124265213, 135719, 12139637, 1623246481, 167, 173, 125155753, 124387619, 179, 1273981, 112142122836484427, 137191, 131933, 197, 100102024550251

Offset

1,1

Links

Michael S. Branicky, Table of n, a(n) for n = 1..71

Example

13 is a term because it is the smallest prime formed by concatenating a permutation of the divisors of A390451(1) = 3.

Crossrefs

Cf. A003136, A037278, A176554, A176555, A176553 (a subsequence without the first term 1), A390451.

Sequence in context: A181035 A228795 A271782 * A157969 A218229 A020520

Adjacent sequences: A390481 A390482 A390483 * A390485 A390486 A390487

Keyword

nonn,base

Author

Jean-Marc Rebert, Nov 07 2025

Status

approved