A143446 - OEIS

A143446

Triangle read by rows:A000012*A143424.

1, 0, 2, -1, 2, 4, -1, 0, 4, 8, -2, 0, 4, 8, 16, -1, -2, 0, 8, 16, 32, -2, -2, 0, 8, 16, 32, 64, -2, -2, 0, 0, 16, 32, 64, 128, -2, -2, -4, 0, 16, 32, 64, 128, 256, -1, -4, -4, 0, 0, 32, 64, 128, 256, 512, -2, -4, -4, 0, 0, 32, 64, 128, 256, 512, 1024, -2, -2, -4, -8, 0, 0, 64, 128, 256, 512, 1024, 2048

(list; table; graph; refs; listen; history; text; internal format)

OFFSET

1,3

COMMENTS

Row sums =A085945:(1, 2, 5, 11, 26, 53, 116,...).

LINKS

Table of n, a(n) for n=1..78.

EXAMPLE

First few rows of the triangle:

0, 2;

-1, 2, 4;

-1, 0, 4, 8;