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A130805
a(1)=1. The n-th run (after the initial 1) consists of (a(n)+n) repeated a(n) times.
1
1, 2, 4, 4, 7, 7, 7, 7, 8, 8, 8, 8, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19, 19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20
OFFSET
1,2
EXAMPLE
The third run (after the initial 1) consists of (3+a(3)) = 7 repeated a(3)=4 times.
CROSSREFS
Cf. A001462.
Sequence in context: A103622 A328853 A105774 * A023831 A233272 A023844
KEYWORD
easy,nonn
AUTHOR
Leroy Quet, Jul 16 2007
STATUS
approved