A352577 a(0)=2; thereafter a(n) = XOR(b(n), b(n+2)), where b is A109812.

2, 5, 1, 12, 6, 2, 21, 12, 25, 20, 5, 3, 2, 49, 9, 56, 38, 12, 42, 48, 24, 12, 6, 10, 24, 18, 2, 112, 25, 105, 84, 48, 100, 88, 60, 100, 82, 50, 40, 12, 36, 56, 88, 96, 48, 19, 11, 8, 167, 69, 226, 156, 124, 224, 156, 76, 208, 169, 120, 193, 24, 12, 6, 3, 5, 12, 9, 1, 176, 116, 196, 176, 112, 67, 35, 96, 84, 48, 96, 196, 162, 98, 72, 24, 144, 168

Offset

0,1

Comments

The initial a(0)=2 is present because A109812 should really have started with A109812(0)=0.

Links

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

Rémy Sigrist, C++ program

Prog

(C++) See Links section.

Crossrefs

Cf. A109812.

Sequence in context: A207629 A207614 A156067 * A263487 A101920 A114494

Adjacent sequences: A352574 A352575 A352576 * A352578 A352579 A352580

Keyword

nonn,base,look

Author

N. J. A. Sloane, Apr 06 2022, following a suggestion from Allan C. Wechsler.

Status

approved