A146014 Triangle read by rows, square of A145975

1, 0, 1, -1, 2, 1, -1, 3, 1, 0, -2, 5, 2, 0, 0, 3, 3, 0, 0, 0, 1, 7, 2, 0, 0, 1, 0, 19, -3, 6, 0, 0, 4, 0, 1, 21, 0, -5, 0, 0, 5, 0, 1, 0, 43, -10, -14, 0, 0, 9, 0, 2, 0, 0, 62, -16, -20, 0, 0, 13, 0, 3, 0, 0, 0, 106, -38, -38, 0, 0, 21, 0, 5, 0, 0, 0, 0, 70, 2, -10, 0, 0, 14, 0, 0, 0, 0, 0, 0, 1

Offset

0,5

Comments

Row sums = the partition numbers, A000041: 1, 1, 2, 3, 5, 7, 11, 15,...

Links

Table of n, a(n) for n=0..89.

Formula

Triangle read by rows, A145975^2

Example

First few rows of the triangle =
1;
0, 1;
-1, 2, 1;
-1, 3, 1, 0;
-2, 5, 2, 0, 0;
3, 3, 0, 0, 0, 1;
1, 7, 2, 0, 0, 1, 0;
19, -3, -6, 0, 0, 4, 0, 1;
21, 0, -5, 0, 0, 5, 0, 1, 0;
43, -10, -14, 0, 0, 9, 0, 2, 0, 0;
62, -16, -20, 0, 0, 13, 0, 3, 0, 0, 0;
106, -38, -38, 0, 0, 21, 0, 5, 0, 0, 0, 0;
70, 2, -10, 0, 0, 14, 0, 0, 0, 0, 0, 0, 1;
154, -42, -45, 0, 0, 29, 0, 4, 0, 0, 0, 0, 1, 0;
...

Crossrefs

A145975, Cf. A000041

Sequence in context: A147867 A227431 A114118 * A344824 A226173 A212633

Adjacent sequences: A146011 A146012 A146013 * A146015 A146016 A146017

Keyword

tabl,sign

Author

Gary W. Adamson, Oct 26 2008

Status

approved