OFFSET
1,1
COMMENTS
Sequence of last digits: a(2n-1) mod 10 = a(2n) mod 10 = A130893(n). - Paul Curtz, May 07 2008
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul Curtz, May 01 2008
EXTENSIONS
Edited by N. J. A. Sloane, May 08 2008
STATUS
approved