1,2

Each row is a subsequence of every row after it.

Table of n, a(n) for n=1..28.

Northwest corner:

1 3 5 17 29 99

1 2 3 5 10 17

1 2 3 4 5 6

Cf. A134032.

Sequence in context: A134867 A102573 A233940 * A185051 A095026 A184997

Adjacent sequences: A134030 A134031 A134032 * A134034 A134035 A134036

nonn,tabl

Clark Kimberling, Oct 02 2007

approved