OFFSET
0,2
COMMENTS
See links for precise definition.
LINKS
Lars Blomberg, Table of n, a(n) for n = 0..10000
Popular Computing (Calabasas, CA), Contest 4 Results (solution from Jeffrey Shallit), Vol. 4 (No. 40, July 1976), scanned copy of page PC40-12.
Popular Computing (Calabasas, CA), Contest 4 Results (solution from Jeffrey Shallit), Vol. 4 (No. 40, July 1976), scanned copy of page PC40-13.
Popular Computing (Calabasas, CA), Front cover of issue 35, Vol. 4 (No. 35, Feb 1976), the issue that contained the statement of the problem.
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Apr 26 2015
EXTENSIONS
More terms from Lars Blomberg, Aug 04 2015
STATUS
approved