A255729 Distinct-digit numbers that are the concatenation of m and prime(m) for some number m.

12, 23, 35, 47, 613, 819, 923, 1029, 1237, 1547, 1653, 1759, 1967, 2071, 2173, 2489, 2597, 27103, 28107, 35149, 39167, 40173, 45197, 53241, 57269, 58271, 60281, 61283, 69347, 70349, 72359, 79401, 85439, 89461, 90463, 91467, 93487, 96503, 98521, 104569, 108593

Offset

1,1

Comments

The sequence is complete, and the last term is a(101)=310628549 with m=3106 and prime(m)=28549.

Links

Zak Seidov, Table of n, a(n) for n = 1..101

Mathematica

Select[FromDigits[IntegerDigits@ #~Join~IntegerDigits[Prime[#]]] & /@
Range@ 3106, Max@ DigitCount@ # == 1 &] (* Michael De Vlieger, Mar 25 2015 *)

Crossrefs

A255596 is a subsequence.

Sequence in context: A088997 A049852 A045532 * A341740 A190426 A207539

Adjacent sequences: A255726 A255727 A255728 * A255730 A255731 A255732

Keyword

nonn,base,fini,full

Author

Zak Seidov, Mar 25 2015

Status

approved