A352723 a(n) = A352722(n) AND A352722(n+1) (where AND denotes the bitwise AND operator).

2, 2, 2, 2, 5, 5, 13, 11, 2, 2, 2, 17, 17, 17, 17, 19, 2, 2, 2, 2, 2, 2, 2, 2, 3, 29, 5, 37, 37, 41, 41, 43, 37, 53, 53, 61, 59, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 17, 17, 17, 17, 5, 5, 5, 5, 73, 73, 71, 83, 89, 89, 73, 73, 67, 97, 97, 101, 101, 109

Offset

1,1

Comments

All terms are prime.

Links

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

Example

a(5) = A352722(5) AND A352722(6) = 7 AND 5 = 5.

Prog

(PARI) s=0; v=2; for (n=1, 74, s+=2^v; for (w=1, oo, if (!bittest(s, w) && isprime(p=bitand(v, w)), v=w; print1(p", "); break)))

Crossrefs

Cf. A308340, A337013, A352722.

Sequence in context: A141299 A035681 A195601 * A222255 A350970 A126788

Adjacent sequences: A352720 A352721 A352722 * A352724 A352725 A352726

Keyword

nonn,base

Author

Rémy Sigrist, Mar 30 2022

Status

approved