OFFSET
1,1
COMMENTS
This list is the symmetric difference of A146562 and the positive even numbers. Consequently, it is also the disjoint union of 2*A, 2*A+1, and 2*B, where A and B are A214641 and A214642 respectively. - Andrei Zabolotskii, Jul 06 2026
FORMULA
a(n) = A146562(n) - 2*n + 1. - Andrei Zabolotskii, Jul 06 2026
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Aug 12 2023
STATUS
approved