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.

101, 23, 41, 191, 2, 2063, 4133, 3251, 14293, 6558733, 5684891, 35778571, 10109291, 10489861, 2442113, 466343539, 793234063, 10158613657, 5200298339, 281201652541

Offset

1,1

Links

Table of n, a(n) for n=1..20.

Example

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.

Crossrefs

Sequence in context: A267511 A375784 A269503 * A338615 A395183 A190757

Adjacent sequences: A067745 A067746 A067747 * A067749 A067750 A067751

Keyword

base,hard,more,nonn

Author

Amarnath Murthy, Mar 09 2002

Extensions

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

a(12)-a(20) from Donovan Johnson, Apr 05 2008

a(9) corrected by Sean A. Irvine, Jan 04 2024

Status

approved