OFFSET
1,5
COMMENTS
LINKS
Nathaniel Johnston, Table of n, a(n) for n = 1..2500
EXAMPLE
a(n) begins 0 1 0 0 2 0 1 4 2 3 9 ... and counts 222; 444,3333;
666,5553,444433,333333; 5555,44444; 6664,55543,444433;
888,6666,7773,55554,66633,444444,555333,4443333,33333333; ...
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Alford Arnold, May 25 2009
STATUS
approved