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Primes among "orderly" Friedman numbers A080035.
2

%I #12 Jan 09 2015 12:52:41

%S 127,15667,16447,19739,28559,32771,39343,46633,46663,117619,117643,

%T 117763,125003,131071,137791,147419,156253,156257,156259,229373,

%U 248839,262139,262147,279967,294829,295247,326617,466553,466561,466567,585643,592763,649529,728993,759359,786433,937577

%N Primes among "orderly" Friedman numbers A080035.

%C Intersection of A080035 and A112419.

%o (PARI) A252483=select(isprime,A080035) \\ use, e.g., A080035=apply(s-> eval(concat(vecextract(Vec(s),"7..13"))),readvec("/tmp/a080035.txt")[8..115]); - _M. F. Hasler_, Jan 07 2015

%Y Cf. A036057, A080035.

%K nonn,base

%O 1,1

%A _M. F. Hasler_, Jan 04 2015