A113074 - OEIS

A113074

Beginning with 3, primes of the form: least multiple of the previous term followed by a 7. Beginning with 3, a(n) is the least prime of the form k*a(n-1)*10 +7.

%I #6 Nov 15 2021 04:40:04

%S 3,37,1117,11177,223547,26825647,268256477,40238471557,13278695613817,

%T 1195082605243537,191213216838965927,38242643367793185407,

%U 6883675806202773373267

%N Beginning with 3, primes of the form: least multiple of the previous term followed by a 7. Beginning with 3, a(n) is the least prime of the form k*a(n-1)*10 +7.

%K base,nonn

%O 1,1

%A _Amarnath Murthy_, Jan 03 2006

%E More terms from _Joshua Zucker_, Jan 11 2006