0,2

Sum of n-th row terms = A000521(n-1).

Antidiagonals of a table, A161361^2, where A161361 = the convolution square root of A000521.

First few rows of the triangle =

1;

372, 372;

29250, 138384, 29250;

-134120, 10881000, 10881000, -134120;

54261375, -49892640, 855562500, -49892640, 54261375;

-6139293372, 20185231500, -3923010000, -3923010000, 20185231500, -6139293372;

...

The multiplication table by rows:

.......1,.......372,.....29250,...

.....372,.....38384,..10881000,...

...29250,..10881000...

.-134120...

...

Take antidiagonals such that row 2 = (29250, 138384, 29250), sum = 196884

= A000521(2).

Cf. A000521, A161362

Sequence in context: A037232 A165330 A051182 this_sequence A004021 A161361 A139659

Adjacent sequences: A161359 A161360 A161361 this_sequence A161363 A161364 A161365

tabl,sign

Gary W. Adamson and Alexander Povolotsky (qntmpkt(AT)yahoo.com), Jun 07 2009