A113056 - OEIS

A113056

Beginning with 5, primes of the form: least multiple of the previous term followed by a 7. Beginning with 5, a(n) is the least prime of the form k*a(n-1)*10 +7.

%I #6 Nov 15 2021 10:40:35

%S 5,107,3217,96517,965177,19303547,2316425647,208478308237,

%T 64628275553477,11633089599625867,697985375977552027,

%U 41879122558653121627,5444285932624905811517

%N Beginning with 5, primes of the form: least multiple of the previous term followed by a 7. Beginning with 5, 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