A068387 Prime coefficients in the Engel expansion of Pi = prime values in A006784(n).

17, 19, 1236467, 12670930520527, 238010096542661, 1556215151728015474002572174232146034933078744209044582588391660602774177237968073343

Offset: 1

Author

Benoit Cloitre, Mar 03 2002

Keywords

• easy
• nonn

Crossrefs

Cf. A006784.

Programs

PARI

/* 5000 significant digits */ s=asin(1)*2; for(i=0,1000,s=s*ceil(1/s)-1; if(isprime(ceil(1/s))==1,print1(ceil(1/s),",")); );