A071613 a(n) is the smallest prime that is the first of n consecutive primes with equal digit sum.
2, 523, 22193, 1442173, 5521819, 354963229, 881160173, 881160173, 441586802467, 3085029222449
Offset: 1
Examples
a(3) = 22193, since 22193,22229,22247 are three consecutive primes with digit sum 17 and this is the first occurrence of three consecutive primes with equal digit sum.
Extensions
a(7)-a(9) from Donovan Johnson, Dec 02 2009
a(10) from Giovanni Resta, Aug 14 2013
Comments