1,5

Table of n, a(n) for n=1..64.

............5

.........5.3.

......5.3.2.5

...5.3.2.1.3.

5.3.2.1.1.2.5

Cf. A131410.

Sequence in context: A286103 A056556 A111651 * A259361 A111854 A132085

Adjacent sequences: A151979 A151980 A151981 * A151983 A151984 A151985

nonn

Mark Dols, Jul 21 2009

approved