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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..72.

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

Adjacent sequences:  A130802 A130803 A130804 * A130806 A130807 A130808

KEYWORD

easy,nonn

AUTHOR

Leroy Quet, Jul 16 2007

STATUS

approved

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Last modified December 4 10:59 EST 2021. Contains 349486 sequences. (Running on oeis4.)