A046620 First denominator and then numerator of each element of the 1/5-Pascal triangle (by row), excluding 5's.

1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 6, 6, 1, 1, 1, 1, 11, 12, 11, 1, 1, 1, 1, 16, 23, 23, 16, 1, 1, 1, 1, 21, 39, 46, 39, 21, 1, 1, 1, 1, 26, 1, 12, 1, 17, 1, 17, 1, 12, 26, 1, 1, 1, 1, 31, 86, 1, 29, 1, 34, 1, 29, 86, 31, 1, 1, 1, 1

Offset

1,14

Links

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

Example

1/1; --> 1 1
1/1 1/1; --> 1 1 1 1
1/1 1/5 1/1; --> 1 1 1 1 1
1/1 6/5 6/5 1/1; --> 1 1 6 6 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: A361739 A245173 A256273 * A046619 A021606 A341687

Adjacent sequences: A046617 A046618 A046619 * A046621 A046622 A046623

Keyword

tabf,nonn,frac,less

Author

Mohammad K. Azarian

Status

approved