A127951 Triangle, binomial transform of A126615.

1, -1, 2, -3, 1, 3, -5, -3, 5, 4, -7, -10, 2, 11, 5, -9, -20, -10, 15, 19, 6, -11, -33, -35, 5, 39, 29, 7, -13, -49, -77, -35, 49, 77, 41, 8, -15, -68, -140, -126, 14, 140, 132, 55, 9, -17, -90, -228, -294, -126, 168, 300, 207, 71, 10

Offset

1,3

Comments

Row sums = 1

Links

Table of n, a(n) for n=1..55.

Formula

Binomial transform of A126615, as infinite lower triangular matrices.

Example

First few rows of the triangle are:
1;
-1, 2;
-3, 1, 3;
-5, -3, 5, 4;
-7, -10, 2, 11, 5;
-9, -20, -10, 15, 19, 6;
-11, -33, -35, 5, 39, 29, 7;
...

Crossrefs

Cf. A126615.

Sequence in context: A099471 A243574 A121775 * A208814 A230449 A255437

Adjacent sequences: A127948 A127949 A127950 * A127952 A127953 A127954

Keyword

tabl,sign

Author

Gary W. Adamson, Feb 09 2007

Status

approved