A128589 A051731 * A127647.

1, 1, 1, 1, 0, 2, 1, 1, 0, 3, 1, 0, 0, 0, 5, 1, 1, 2, 0, 0, 8, 1, 0, 0, 0, 0, 0, 13, 1, 1, 0, 3, 0, 0, 0, 21, 1, 0, 2, 0, 0, 0, 0, 0, 34, 1, 1, 0, 0, 5, 0, 0, 0, 0, 55

Offset

1,6

Comments

Row sums = A007435: (1, 2, 3, 5, 6, 12, 14, ...), inverse Moebius transform of the Fibonacci numbers.

Links

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

Formula

Inverse Moebius transform of A127647, as infinite lower triangular matrices.

Example

First few rows of the triangle:
  1;
  1, 1;
  1, 0, 2;
  1, 1, 0, 3;
  1, 0, 0, 0, 5;
  1, 1, 2, 0, 0, 8;
  ...

Crossrefs

Cf. A051731, A127647, A007435.

Sequence in context: A343037 A152434 A143810 * A130162 A175595 A175417

Adjacent sequences: A128586 A128587 A128588 * A128590 A128591 A128592

Keyword

nonn,tabl

Author

Gary W. Adamson, Mar 11 2007

Status

approved