A134842 Triangle, n-th row = first n terms of n-th row of an array formed by A054525 * A051731(transform).

1, -1, 0, -1, -1, 0, 0, -1, 0, 0, -1, -1, -1, -1, 0, 1, 0, 0, 0, 1, 0, -1, -1, -1, -1, -1, -1, 0, 0, 0, 0, -1, 0, 0, 0, 0, 0, 0, -1, 0, 0, -1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0

Offset

1,1

Comments

Left column = mu(n), A008683: (1, -1, -1, 0, -1, 1, 0, 0, 1, ...).

Row sums = A023900: (1, -1, -2, -1, -4, 2, -6, ...).

Links

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

Formula

Triangle, n-th row - first n terms of n-th row of an array formed by A054525 * A051731(transform).

Example

First few rows of the array:
   1,  1,  1,  1,  1,  1,  1, ...
  -1,  0, -1,  0, -1,  0, -1, ...
  -1, -1,  0, -1, -1, -1,  0, ...
   0, -1,  0,  0,  0, -1,  0, ...
  -1, -1, -1, -1, -1,  0, -1, ...
  ...
First few rows of the triangle:
   1;
  -1,  0;
  -1, -1,  0;
   0, -1,  0,  0;
  -1, -1, -1, -1,  0;
   1,  0,  0,  0,  1,  0;
  -1, -1, -1, -1, -1, -1,  0;
  ...

Crossrefs

Cf. A051731, A054525, A008683, A023900.

Sequence in context: A141736 A190188 A278513 * A167753 A353816 A141727

Adjacent sequences: A134839 A134840 A134841 * A134843 A134844 A134845

Keyword

tabl,sign

Author

Gary W. Adamson, Nov 12 2007

Status

approved