OFFSET
0,2
COMMENTS
For details (including an explicit formula) see our paper.
LINKS
Max A. Alekseyev, Table of n, a(n) for n = 0..999
Max A. Alekseyev and N. J. A. Sloane, On Kaprekar's Junction Numbers, arXiv:2112.14365, 2021; Journal of Combinatorics and Number Theory 12:3 (2022), 115-155.
CROSSREFS
KEYWORD
nonn
AUTHOR
Max Alekseyev and N. J. A. Sloane, Mar 27 2014
STATUS
approved