0,2

The operation A000012 * A127099 generates n-th row of the triangle by taking partial sums of n-th row of triangle A127099. Row 4 of A127099 (7, 6, 0, 4) becomes row 4 of A127108: (17, 10, 4, 4).

Row sums = A001001: (1, 7, 13, 35, 31, 91,...)

Left column of the triangle = A060640: (1, 5, 7, 17, 11, 35,...).

Triangle read by rows, A127099 * A000012

First few rows of the triangle are:

1;

5, 2;

7, 3, 3;

17, 10, 4, 4;

11, 5, 5, 5, 5;

35, 23, 15, 6, 6, 6;

15, 7, 7, 7, 7, 7, 7;

49, 34, 20, 20, 8, 8, 8, 8;

34, 21, 21, 9, 9, 9, 9, 9, 9;

55, 37, 25, 25, 25, 10, 10, 10, 10, 10;

...

Cf. A060640, A001001, A126988, A127093, A000203, A127094, A127095, A127096, A127098, A127099.

Sequence in context: A093591 A132800 A115321 this_sequence A093606 A064677 A088520

Adjacent sequences: A127105 A127106 A127107 this_sequence A127109 A127110 A127111

nonn,tabl

Gary W. Adamson (qntmpkt(AT)yahoo.com), Jan 05 2007, Jul 27 2008

Edited by N. J. A. Sloane (njas(AT)research.att.com), Aug 13 2008 at the suggestion of R. J. Mathar