A143318 Triangle read by rows: A143317 * A000012.

1, 2, -1, 3, -1, -1, 4, -3, 0, 0, 5, -1, -1, -1, -1, 6, -6, -2, 1, 1, 1, 7, -1, -1, -1, -1, -1, -1, 8, -7, 0, 0, 0, 0, 0, 0, 9, -4, -4, 0, 0, 0, 0, 0, 0, 10, -8, -2, -2, -2, 1, 1, 1, 1, 1, 11, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, 12, -16, -4, 3, 3, 3, 0, 0, 0, 0, 0, 0, 13, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1

Offset

1,2

Comments

Right border = mu(n), A008683.

Row sums = 1.

Links

Table of n, a(n) for n=1..91.

Formula

By rows, partial sums of A143317 terms starting from the right.

Example

First few rows of the triangle:
  1;
  2, -1;
  3, -1, -1;
  4, -3,  0,  0;
  5, -1, -1, -1, -1;
  6, -6, -2,  1,  1,  1;
  7, -1, -1, -1, -1, -1, -1;
  ...

Crossrefs

Cf. A008683, A143317.

Sequence in context: A275937 A321317 A338092 * A122610 A011973 A115139

Adjacent sequences: A143315 A143316 A143317 * A143319 A143320 A143321

Keyword

tabl,sign

Author

Gary W. Adamson, Aug 07 2008

Extensions

a(73) = 0, a(78) = 0 corrected and more terms from Georg Fischer, Jun 06 2023

Status

approved