A375856 a(n) = A360706(1) XOR ... XOR A360706(n) (where XOR denotes the bitwise XOR operator).

1, 3, 0, 4, 12, 0, 5, 15, 9, 0, 7, 23, 6, 30, 16, 27, 9, 29, 16, 31, 12, 44, 8, 29, 4, 30, 8, 31, 4, 37, 0, 28, 62, 32, 61, 21, 63, 32, 96, 0, 35, 103, 65, 109, 68, 111, 72, 120, 64, 109, 44, 110, 64, 111, 44, 124, 72, 121, 64, 114, 32, 101, 4, 55, 2, 62, 8

Offset

1,2

Links

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

Example

a(3) = A360706(1) XOR A360706(2) XOR A360706(3) = 1 XOR 2 XOR 3 = 0.

Prog

(PARI) { m = s = 0; for (n = 1, 67, for (v = 1, oo, if (!bittest(s, v), x = bitand(m, v); if (x==0 || x==v, s += 2^v; m = bitxor(m, v); print1 (m", "); break; ); ); ); ); }

Crossrefs

Cf. A360706.

Sequence in context: A357884 A074171 A180657 * A094665 A309053 A052439

Adjacent sequences: A375853 A375854 A375855 * A375857 A375858 A375859

Keyword

nonn,base

Author

Rémy Sigrist, Aug 31 2024

Status

approved