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A046850 Gilda's primes: primes in A042947. 1
29, 683, 997, 2207, 30571351 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Is this sequence infinite?

LINKS

Table of n, a(n) for n=1..5.

Russo, F. A Set of New Smarandache Functions, Sequences and Conjectures in Number Theory., Lupton, AZ: American Research Press, 2000.

PROG

(PARI) for(n=1, 10^8, if(isprime(n), s=eval(Vec(Str(n))); f1=sum(i=1, #s, s[i]); f0=abs(2*s[1]-f1); f=f0+f1; while(f<=n, if(f==n, print1(n", "); break); f0=f1; f1=f; f=f0+f1))) - Herman Jamke (hermanjamke(AT)fastmail.fm), Mar 30 2008

CROSSREFS

Cf. A042947.

Sequence in context: A063044 A062560 A135995 * A180844 A159669 A162831

Adjacent sequences:  A046847 A046848 A046849 * A046851 A046852 A046853

KEYWORD

nonn,base,less

AUTHOR

Felice Russo

EXTENSIONS

One more term from Herman Jamke (hermanjamke(AT)fastmail.fm), Mar 30 2008

STATUS

approved

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Last modified November 23 18:50 EST 2014. Contains 249865 sequences.