A046605 First denominator and then numerator of the 1/5-Pascal triangle (by row), excluding 1's and 5's.

6, 6, 11, 12, 11, 16, 23, 23, 16, 21, 39, 46, 39, 21, 26, 12, 17, 17, 12, 26, 31, 86, 29, 34, 29, 86, 31, 36, 117, 231, 63, 63, 231, 117, 36, 41, 153, 348, 546, 126, 546, 348, 153, 41, 46, 194, 501, 894, 1176, 1176, 894, 501, 194, 46, 51, 48, 139, 279, 414, 2352, 414, 279, 139

Offset

1,1

Links

Table of n, a(n) for n=1..63.

Example

Triangle begins:
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: A344328 A168282 A122762 * A095899 A346530 A163757

Adjacent sequences: A046602 A046603 A046604 * A046606 A046607 A046608

Keyword

tabf,less,nonn

Author

Mohammad K. Azarian

Extensions

More terms from Asher Auel

Data corrected by Sean A. Irvine, Apr 13 2021

Status

approved