A338501 a(n) is the square root of A338500(n) AND A338500(n+1) (where AND denotes the bitwise AND operator).

0, 0, 0, 0, 0, 1, 2, 0, 0, 1, 3, 3, 0, 0, 0, 0, 0, 4, 2, 2, 4, 4, 4, 0, 0, 3, 4, 0, 1, 2, 0, 0, 1, 5, 0, 0, 0, 4, 4, 3, 1, 1, 0, 2, 6, 6, 6, 6, 6, 2, 0, 0, 0, 7, 7, 6, 0, 0, 0, 1, 3, 3, 2, 4, 0, 0, 7, 1, 0, 0, 2, 2, 8, 8, 8, 8, 4, 0, 0, 3, 8, 4, 3, 8, 6, 6, 8

Offset

0,7

Links

Rémy Sigrist, Table of n, a(n) for n = 0..10000

Rémy Sigrist, PARI program for A338501

Example

For n = 10:
- A338500(10) AND A338500(11) = 11 AND 13 = 9 = 3^2,
- so a(10) = 3.

Prog

(PARI) See Links section.

Crossrefs

Cf. A338500.

Sequence in context: A304482 A309021 A307968 * A242464 A273185 A351776

Adjacent sequences: A338498 A338499 A338500 * A338502 A338503 A338504

Keyword

nonn,base

Author

Rémy Sigrist, Oct 31 2020

Status

approved