OFFSET
0,4
EXAMPLE
Runs (after the initial first two 1's) each placed in parentheses:
(Notice that n-th run in parentheses contains exactly a(n)+a(n-1) terms.)
1, 1, (1, 2), (1, 2), (1, 2, 3), (1, 2, 3), (1, 2, 3), (1, 2, 3), (1, 2, 3), (1, 2, 3, 4, 5), (1, 2, 3, 4), (1, 2, 3), (1, 2, 3, 4, 5), (1, 2, 3, 4), (1, 2, 3), (1, 2, 3, 4, 5), (1, 2, 3, 4), (1, 2, 3), (1, 2, 3, 4, 5), (1, 2, 3, 4), (1, 2, 3), (1, 2, 3, 4, 5), (1, 2, 3, 4), (1, 2, 3), (1, 2, 3, 4, 5), (1, 2, 3, 4, 5, 6, 7), (1, 2, 3, 4, 5, 6, 7, 8, 9), (1, 2, 3, 4, 5, 6), (1, 2, 3), (1, 2, 3, 4, 5), (1, 2, 3, 4, 5, 6, 7)
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Leroy Quet, Mar 23 2008
STATUS
approved