A046535 First denominator and then numerator of each element of the 1/3-Pascal triangle (by row).

1, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 3, 4, 3, 4, 1, 1, 1, 1, 3, 7, 3, 8, 3, 7, 1, 1, 1, 1, 3, 10, 1, 5, 1, 5, 3, 10, 1, 1, 1, 1, 3, 13, 3, 25, 1, 10, 3, 25, 3, 13, 1, 1, 1, 1, 3, 16, 3, 38, 3, 55, 3, 55, 3, 38, 3, 16, 1, 1, 1, 1, 3, 19, 1, 18, 1, 31, 3, 110, 1, 31, 1, 18, 3, 19, 1, 1, 1, 1, 3

Offset

1,9

Links

Table of n, a(n) for n=1..93.

Example

1/1; --> 1 1
1/1 1/1; --> 1 1 1 1
1/1 1/3 1/1; --> 1 1 3 1 1 1
1/1 4/3 4/3 1/1; --> ...
1/1 7/3 8/3 7/3 1/1;
1/1 10/3 5/1 5/1 10/3 1/1;
1/1 13/3 25/3 10/1 25/3 13/3 1/1;
1/1 16/3 38/3 55/3 55/3 38/3 16/3 1/1; ...

Crossrefs

Cf. A046534.

Sequence in context: A106478 A115069 A046556 * A324198 A135939 A061653

Adjacent sequences: A046532 A046533 A046534 * A046536 A046537 A046538

Keyword

tabf,nonn,easy,frac,less

Author

Mohammad K. Azarian

Extensions

Corrected by Larry Reeves (larryr(AT)acm.org), Apr 06 2000

Status

approved