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A104248 Numbers n such that sum of digits of n first primes is prime. +0
2
1, 2, 4, 5, 6, 7, 8, 11, 12, 14, 23, 33, 43, 45, 48, 64, 69, 72, 73, 77, 87, 94, 95, 96, 98, 110, 118, 124, 130, 133, 140, 148, 152, 154, 157, 162, 171, 174, 178, 181, 196, 200 (list; graph; listen)
OFFSET

1,2

EXAMPLE

5 is a term because sum of digits of 5 first primes, 2+3+5+7+(1+1)=19, is prime.

CROSSREFS

Corresponding primes: A104247. Primes: A000040, sum of digits of primes: A007605.

Adjacent sequences: A104245 A104246 A104247 this_sequence A104249 A104250 A104251

Sequence in context: A049095 A101742 A111688 this_sequence A058049 A091871 A039085

KEYWORD

nonn,base

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Feb 26 2005

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.


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