A263540 Values of k in A263539.

1, 1, 1, 1, 1, 17, 25, 37, 265, 5, 93, 2395, 1443, 3935, 2757, 5865

Offset

1,6

Links

Table of n, a(n) for n=1..16.

Prog

(PARI) terms=12; p=1; for(n=1, terms, q=p+2; while(!ispseudoprime(q), q+=2*p); print1((q-2)/p, ", "); p*=q)

Crossrefs

Cf. A263539, A258081.

Sequence in context: A131275 A227238 A294689 * A355769 A183346 A373317

Adjacent sequences: A263537 A263538 A263539 * A263541 A263542 A263543

Keyword

nonn,hard,more

Author

Jeppe Stig Nielsen, Oct 20 2015

Status

approved