OFFSET
1,2
LINKS
F. J. van de Bult, D. C. Gijswijt, J. P. Linderman, N. J. A. Sloane and Allan Wilks, A Slow-Growing Sequence Defined by an Unusual Recurrence, J. Integer Sequences, Vol. 10 (2007), #07.1.2.
EXAMPLE
A090822 begins 1,1,2,1,1,2,2,2,3,1,1,2,1,1,2,2,2,3,2,... which contracts to 1,2,1,2,3,1,2,1,2,3,2,...
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Jun 18 2004
STATUS
approved