A297879 a(n) = A297706(n) XOR A297706(n+1) XOR A297706(n+2) (where XOR denotes the bitwise XOR operator).

7, 5, 2, 13, 7, 5, 2, 13, 2, 3, 11, 19, 17, 13, 23, 11, 13, 17, 19, 31, 19, 23, 19, 23, 31, 37, 31, 29, 19, 23, 31, 29, 31, 17, 23, 5, 7, 2, 19, 43, 37, 47, 41, 61, 59, 47, 41, 43, 37, 41, 61, 53, 79, 73, 59, 53, 73, 71, 67, 83, 79, 73, 67, 83, 79, 73, 109, 2

Offset

1,1

Comments

All terms are prime.

Links

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

Rémy Sigrist, Scatterplot of the first 25000 terms (with terms such that a(n) = 2 highlighted)

Example

a(7) = A297706(7) XOR A297706(8) XOR A297706(9) = 9 XOR 7 XOR 12 = 2.

Crossrefs

Cf. A297706.

Sequence in context: A307160 A369106 A087273 * A245510 A199794 A106040

Adjacent sequences: A297876 A297877 A297878 * A297880 A297881 A297882

Keyword

nonn,base

Author

Rémy Sigrist, Jan 07 2018

Status

approved