A046601 First numerator and then denominator of the 1/5-Pascal triangle (by row). To get a 1/5-Pascal triangle, replace "2" in the third row of the Pascal triangle with "1/5" and calculate all other rows as in the Pascal triangle.

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, 1, 1, 31, 5, 86, 5, 29, 1, 34, 1, 29, 1, 86, 5

Offset

1,10

Links

Table of n, a(n) for n=1..86.

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

Sequence in context: A343431 A366374 A071020 * A101025 A028315 A074062

Adjacent sequences: A046598 A046599 A046600 * A046602 A046603 A046604

Keyword

nonn,tabf,less

Author

Mohammad K. Azarian

Status

approved