A090797 Denominator(Bernoulli(n-1) + 1/n)=42, where n runs through the primes.

19, 43, 79, 103, 223, 283, 367, 439, 607, 619, 643, 823, 907, 1087, 1447, 1543, 1579, 1627, 1663, 1699, 1867, 1879, 1987, 2083, 2203, 2239, 2383, 2767, 2803, 3019, 3343, 3463, 3607, 3643, 3967, 4363, 4507, 4639, 4723, 4783, 4903, 5119, 5179, 5323, 5443

Offset

0,1

Links

Table of n, a(n) for n=0..44.

Formula

prime(i) / denominator(Bernoulli(prime(n)-1) + 1/prime(n))=42

Prog

(PARI) bouay42(n)=bernfrac(n-1)+1/n for (i=1, 1000, if(denominator(bouay42(prime(i)))==42, print1(prime(i), ", ")))

Crossrefs

Sequence in context: A220446 A155770 A153169 * A078561 A074222 A054820

Adjacent sequences: A090794 A090795 A090796 * A090798 A090799 A090800

Keyword

nonn

Author

mohammed bouayoun (bouyao(AT)wanadoo.fr), Feb 10 2004

Status

approved