A308340 Primes arising in A308334.

3, 3, 7, 5, 7, 7, 23, 29, 13, 11, 11, 11, 31, 29, 29, 31, 31, 31, 31, 23, 23, 29, 31, 31, 31, 29, 29, 31, 31, 59, 37, 37, 37, 41, 43, 43, 43, 43, 47, 47, 47, 47, 47, 47, 61, 53, 53, 53, 59, 59, 59, 59, 59, 61, 61, 127, 127, 127, 127, 127, 71, 127, 127, 71, 79

Offset

1,1

Links

Rémy Sigrist, Table of n, a(n) for n = 1..10000

Formula

a(n) = A308334(n) OR A308334(n+1) (where OR denotes the binary OR operator).

Prog

(PARI) s=0; v=1; for (n=1, 65, s+=2^v; for (w=1, oo, if (!bittest(s, w) && isprime(o=bitor(v, w)), print1 (o ", "); v=w; break)))

Crossrefs

Cf. A308334.

Sequence in context: A209085 A086799 A218388 * A161427 A365212 A098688

Adjacent sequences: A308337 A308338 A308339 * A308341 A308342 A308343

Keyword

nonn,base

Author

Rémy Sigrist, May 20 2019

Status

approved