A130302 - OEIS

A130302

A000012 * A130296.

1, 3, 1, 6, 2, 1, 10, 3, 2, 1, 15, 4, 3, 2, 1, 21, 5, 4, 3, 2, 1, 28, 6, 5, 4, 3, 2, 1, 36, 7, 6, 5, 4, 3, 2, 1

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OFFSET

1,2

COMMENTS

Row sums = n^2. A130303 = A130296 * A000012.

LINKS

FORMULA

A000012 * A130296 as infinite lower triangular matrices. Triangular series as the left border; (1,2,3...) in all other columns.

EXAMPLE

First few rows of the triangle are:

3, 1;

6, 2, 1;

10, 3, 2, 1;

15, 4, 3, 2, 1;

21, 5, 4, 3, 2, 1;

...

CROSSREFS

KEYWORD

nonn,tabl

AUTHOR

STATUS

approved