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

Author

Rémy Sigrist, Mar 30 2022

Keywords

• nonn
• base

Comments

All terms are prime.

Examples

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

Links

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

Crossrefs

Cf. A308340, A337013, A352722.

Programs

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)))