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A277878 Smallest prime q with q > r such that p = (q + r + 1)/r, where p = prime(n) and r = A277879(n). 1
3, 1123, 11, 29, 23, 367 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

COMMENTS

Rassias's conjecture is the claim that q and r exist for every p.

LINKS

Table of n, a(n) for n=2..7.

Wikipedia, Rassias' conjecture.

PROG

(PARI) findq(n) = my(q=3); while(1, forprime(r=1, q-1, if(n==(q+r+1)/r, return(q)); q=nextprime(q+1)))

a(n) = findq(prime(n))

CROSSREFS

Cf. A277879.

Sequence in context: A062612 A096082 A274994 * A178195 A199236 A171360

Adjacent sequences:  A277875 A277876 A277877 * A277879 A277880 A277881

KEYWORD

nonn,more

AUTHOR

Felix Fröhlich, Nov 03 2016

STATUS

approved

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Last modified January 22 09:52 EST 2019. Contains 319363 sequences. (Running on oeis4.)