A046596 Denominators of the 1/4-Pascal triangle (by row), excluding 2's.

1, 1, 1, 1, 4, 1, 1, 4, 4, 1, 1, 4, 4, 1, 1, 4, 4, 4, 4, 1, 1, 4, 1, 1, 4, 1, 1, 4, 4, 4, 4, 1, 1, 4, 4, 1, 4, 4, 1, 1, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 4, 1, 1, 1, 1, 1, 1, 4, 1, 1, 4, 4, 1, 1, 1, 1, 4, 4, 1, 1, 4, 4, 1, 1, 1, 4, 4, 1, 1, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 4, 1, 1, 4, 1, 1, 1, 4, 1, 1, 4, 1, 1, 4, 4, 4

Offset

1,5

Links

Table of n, a(n) for n=1..105.

Example

1/1; 1/1 1/1; 1/1 1/4 1/1; 1/1 5/4 5/4 1/1; 1/1 9/4 5/2 9/4 1/1; 1/1 13/4 19/4 19/4 13/4 1/1; 1/1 17/4 8/1 19/2 8/1 17/4 1/1; 1/1 21/4 49/4 35/2 35/2 49/4 21/4 1/1; ...

Crossrefs

Cf. A046563.

Sequence in context: A299537 A053239 A046569 * A174093 A204028 A106314

Adjacent sequences: A046593 A046594 A046595 * A046597 A046598 A046599

Keyword

tabf,nonn

Author

Mohammad K. Azarian

Extensions

More terms from James A. Sellers, Dec 14 1999

Status

approved