A346559 Reversible primes with k digits, of the form concat(a,b), such that, with all the possible k-1 concatenation of two numbers a and b, we get k-1 primes (a mod b) and the sum of these k-1 primes is a reversible prime itself.

37, 79, 97, 353, 383, 389, 3203, 3803, 37463, 79687, 311137, 311957, 312289, 313517, 371057, 715109, 797009, 3112913, 3137003, 3600017, 7100003, 71947037, 380000009, 733193633, 3794000333, 7193124947, 7331702267, 37337357017

Offset

1,1

Links

Table of n, a(n) for n=1..28.

Carlos Rivera, Puzzle 1053. p=concat(a,b) such that ..., The Prime Puzzles and Problems Connection.

Crossrefs

Cf. A007500 (reversible primes).

Sequence in context: A216287 A216329 A298324 * A256585 A211725 A141895

Adjacent sequences: A346556 A346557 A346558 * A346560 A346561 A346562

Keyword

nonn,base,more

Author

Michel Marcus, Sep 17 2021

Extensions

Definition corrected by Jason Yuen, May 31 2024

Status

approved