A046609 Odd numbers in the numerators of the 1/5-Pascal triangle (by row).

1, 1, 1, 1, 1, 1, 1, 1, 1, 11, 11, 1, 1, 23, 23, 1, 1, 21, 39, 39, 21, 1, 1, 17, 17, 1, 1, 31, 29, 29, 31, 1, 1, 117, 231, 63, 63, 231, 117, 1, 1, 41, 153, 153, 41, 1, 1, 501, 501, 1, 1, 51, 139, 279, 279, 139, 51, 1, 1, 291, 187, 693, 693, 187, 291, 1, 1, 61, 347, 605, 1111

Offset

1,10

Links

Table of n, a(n) for n=1..71.

Example

1/1; 1/1 1/1; 1/1 1/5 1/1; 1/1 6/5 6/5 1/1; 1/1 11/5 12/5 11/5 1/1; 1/1 16/5 23/5 23/5 16/5 1/1; 1/1 21/5 39/5 46/5 39/5 21/5 1/1; 1/1 26/5 12/1 17/1 17/1 12/1 26/5 1/1; ...

Crossrefs

Cf. A046601.

Sequence in context: A288642 A356602 A014459 * A262014 A287288 A287979

Adjacent sequences: A046606 A046607 A046608 * A046610 A046611 A046612

Keyword

tabf,nonn

Author

Mohammad K. Azarian

Extensions

More terms from James A. Sellers, Dec 16 1999

Status

approved