a(n) is the smallest start of a run of exactly n consecutive primes such that the sum of the digits of each prime is composite.

A241525

a(n) is the smallest start of a run of exactly n consecutive primes such that the sum of the digits of each prime is composite.

Terms

    a(0) =19a(1) =17a(2) =13a(3) =521a(4) =509a(5) =503a(6) =499a(7) =491a(8) =14153a(9) =25793a(10) =25771a(11) =37663a(12) =37657a(13) =98729a(14) =98717a(15) =98713a(16) =98711a(17) =98689a(18) =98669a(19) =98663a(20) =98641a(21) =98639a(22) =98627a(23) =98621a(24) =98597a(25) =98573a(26) =69794393a(27) =69794383a(28) =268684679a(29) =268684651

External references