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A067748 Smallest member of the first occurrence of exactly n consecutive primes whose sum of digits is also prime, or 0 if no such set of primes exists. 0

%I #10 Jan 04 2024 18:10:22

%S 101,23,41,191,2,2063,4133,3251,14293,6558733,5684891,35778571,

%T 10109291,10489861,2442113,466343539,793234063,10158613657,5200298339,

%U 281201652541

%N Smallest member of the first occurrence of exactly n consecutive primes whose sum of digits is also prime, or 0 if no such set of primes exists.

%e a(3) = 41 as 41,43,47 are the smallest triples of primes with digit sum all prime . a(5) = 2 and 2,3,5,7,11 is the set.

%K base,hard,more,nonn

%O 1,1

%A _Amarnath Murthy_, Mar 09 2002

%E Corrected and extended by Larry Reeves (larryr(AT)acm.org), Dec 19 2002

%E a(12)-a(20) from _Donovan Johnson_, Apr 05 2008

%E a(9) corrected by _Sean A. Irvine_, Jan 04 2024

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Last modified September 1 03:07 EDT 2024. Contains 375575 sequences. (Running on oeis4.)