OFFSET
1,2
LINKS
Kerry Mitchell, Table of n, a(n) for n = 1..2500
EXAMPLE
a(2) = 7 because A121561 begins 0, 1, 1, 1, 1, 1, 1, 1 and the second block of identical terms is 7 ones.
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Kerry Mitchell, Aug 07 2006
EXTENSIONS
Name and example edited by M. F. Hasler, Jan 07 2019
STATUS
approved