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A071730 Smallest prime p > prime(n) such that p-prime(n) is a square. 0
3, 7, 41, 11, 47, 17, 53, 23, 59, 173, 47, 41, 617, 47, 83, 89, 383, 97, 71, 107, 89, 83, 227, 233, 101, 137, 107, 251, 113, 149, 131, 167, 173, 239, 293, 167, 173, 167, 311, 317, 503, 197, 227, 197, 233, 263, 227, 227, 263, 233, 269, 383, 257, 827, 293, 587 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..56.

PROG

(PARI) for(n=1, 100, s=n+1; while(frac(sqrt(prime(s)-prime(n)))>0, s++); print1(prime(s), ", "))

CROSSREFS

Sequence in context: A135071 A096219 A128647 * A058815 A333649 A089656

Adjacent sequences:  A071727 A071728 A071729 * A071731 A071732 A071733

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre, Jun 24 2002

STATUS

approved

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Last modified June 28 07:25 EDT 2022. Contains 354903 sequences. (Running on oeis4.)