Smallest SanD-d prime p (such that p + d is also prime and digit sum A007953(p(p+d)) = d) with d = 14 + n*18, n >= 0, resp. d = 5 for n = -1.

A307480

Smallest SanD-d prime p (such that p + d is also prime and digit sum A007953(p(p+d)) = d) with d = 14 + n*18, n >= 0, resp. d = 5 for n = -1.

Terms

    a(0) =2a(1) =5a(2) =149a(3) =2543a(4) =19961a(5) =412253a(6) =7601249a(7) =39999899a(8) =999999893a(9) =17279999921a(10) =170287917851

External references