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
Examples
a(7) = A297706(7) XOR A297706(8) XOR A297706(9) = 9 XOR 7 XOR 12 = 2.
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)
Crossrefs
Cf. A297706.
Comments