OFFSET
1,2
EXAMPLE
First few terms of A137292 are 1,3,4,5,7,9,10,13,... . The first run of at least two consecutive numbers is 3,4; the first run of at least three consecutive numbers is 3,4,5. Hence a(2) = a(3) = 3.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Klaus Brockhaus, Mar 25 2008
STATUS
approved