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A173719 Sums of 2 successive primes s = prime(m) + prime(m+1) such that all digits of s are primes. 0
5, 52, 222, 352, 372, 532, 752, 772, 2252, 2352, 2572, 3222, 3232, 5322, 7572, 22332, 22552, 22722, 22752, 23572, 25232, 25572, 27232, 27522, 27732, 32732, 33522, 33772, 35232, 35572, 35772, 37332, 52232, 52332, 52372, 53772, 55552, 57332, 72532, 72772, 75252, 75732, 77322, 222532, 222572, 223552, 223572 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..47.

EXAMPLE

5 = 2 + 3, 52 = 23 + 29.

PROG

(PARI){a=2; b=3; for(n=1, 12000, s=a+b; ev=eval(Vec(Str(s))); if(sum(k=1, #ev, isprime(ev[k]))==#ev, print1(s", ")); a=b; b=nextprime(b+2))}

CROSSREFS

Intersection of A001043 and A046034.

Sequence in context: A067282 A045539 A281202 * A081075 A247766 A247777

Adjacent sequences:  A173716 A173717 A173718 * A173720 A173721 A173722

KEYWORD

nonn,base

AUTHOR

Zak Seidov, Dec 22 2012

STATUS

approved

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Last modified November 20 04:05 EST 2017. Contains 294959 sequences.