A338503 a(n) is the square root of A338502(1) XOR ... XOR A338502(n) (where XOR denotes the bitwise XOR operator).

0, 1, 2, 0, 3, 1, 4, 0, 5, 1, 6, 7, 4, 2, 3, 6, 2, 5, 7, 1, 8, 10, 9, 5, 6, 4, 8, 11, 6, 10, 7, 0, 9, 3, 7, 9, 6, 8, 2, 11, 4, 10, 1, 11, 3, 8, 5, 12, 14, 13, 6, 12, 15, 10, 14, 8, 15, 11, 0, 12, 4, 13, 1, 12, 2, 13, 0, 14, 9, 15, 6, 14, 11, 13, 10, 12, 3, 15

Offset

1,3

Links

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

Rémy Sigrist, PARI program for A338503

Example

For n = 3:
- A338502(1) AND A338502(2) AND A338502(3) = 0 AND 1 AND 5 = 4 = 2^2,
- so a(3) = 2.

Prog

(PARI) See Links section.

Crossrefs

Cf. A292389, A338502.

Sequence in context: A364020 A363898 A110514 * A249122 A135157 A360692

Adjacent sequences: A338500 A338501 A338502 * A338504 A338505 A338506

Keyword

nonn,base

Author

Rémy Sigrist, Oct 31 2020

Status

approved