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2,1
Rassias's conjecture is the claim that q and r exist for every p.
Table of n, a(n) for n=2..7.
Wikipedia, Rassias' conjecture.
(PARI) findr(n) = my(q=3); while(1, forprime(r=1, q-1, if(n==(q+r+1)/r, return(r)); q=nextprime(q+1)))
a(n) = findr(prime(n))
Cf. A277878.
Sequence in context: A231041 A080296 A260331 * A182519 A279450 A163276
Adjacent sequences: A277876 A277877 A277878 * A277880 A277881 A277882
nonn,more
Felix FrÃ¶hlich, Nov 03 2016
approved