A046569 Denominators of the 1/4-Pascal triangle (by row).

1, 1, 1, 1, 4, 1, 1, 4, 4, 1, 1, 4, 2, 4, 1, 1, 4, 4, 4, 4, 1, 1, 4, 1, 2, 1, 4, 1, 1, 4, 4, 2, 2, 4, 4, 1, 1, 4, 2, 4, 1, 4, 2, 4, 1, 1, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 4, 1, 1, 1, 2, 1, 1, 1, 4, 1, 1, 4, 4, 1, 1, 2, 2, 1, 1, 4, 4, 1, 1, 4, 2, 4, 1, 2, 1, 2, 1, 4, 2, 4, 1, 1, 4, 4, 4, 4, 2, 2, 2, 2, 4, 4, 4, 4, 1

Offset

1,5

Links

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

Example

1/1; --> 1
1/1 1/1; --> 1 1
1/1 1/4 1/1; --> 1 4 1
1/1 5/4 5/4 1/1; --> 1 4 4 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: A010322 A299537 A053239 * A046596 A174093 A204028

Adjacent sequences: A046566 A046567 A046568 * A046570 A046571 A046572

Keyword

tabl,nonn,frac

Author

Mohammad K. Azarian

Extensions

More terms from James A. Sellers, Dec 14 1999

Status

approved