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A130299 A130296 * A051340. 1
1, 3, 2, 5, 3, 3, 7, 4, 4, 4, 9, 5, 5, 5, 5, 11, 6, 6, 6, 6, 6, 13, 7, 7, 7, 7, 7, 7, 15, 8, 8, 8, 8, 8, 8, 8, 17, 9, 9, 9, 9, 9, 9, 9, 9, 19, 10, 10, 10, 10, 10, 10, 10, 10, 10 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row sums = A018387: (1, 5, 11, 19, 29, 41, 55,...). A130298 = A051340 * A130296.

LINKS

Table of n, a(n) for n=1..55.

FORMULA

A130296 * A051340 as infinite lower triangular matrices.

EXAMPLE

First few rows of the triangle are:

1;

3, 2;

5, 3, 3;

7, 4, 4, 4;

9, 5, 5, 5, 5;

11, 6, 6, 6, 6, 6;

13, 7, 7, 7, 7, 7, 7;

...

CROSSREFS

Cf. A051340, A130296, A130298, A028387.

Sequence in context: A103340 A106615 A194736 * A143309 A206562 A155981

Adjacent sequences:  A130296 A130297 A130298 * A130300 A130301 A130302

KEYWORD

nonn,tabl

AUTHOR

Gary W. Adamson, May 20 2007

STATUS

approved

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Last modified November 21 06:00 EST 2019. Contains 329350 sequences. (Running on oeis4.)