OFFSET
0,2
COMMENTS
Theorem: This is a permutation of the nonnegative integers. For proof see link in A274650. - N. J. A. Sloane, Jun 07 2017
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..1000
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, May 30 2017
STATUS
approved