A046627 Distinct numbers in writing first numerator and then denominator of each element to the right of the central elements of the 1/5-Pascal triangle (by row).

1, 6, 5, 11, 23, 16, 39, 21, 17, 12, 26, 29, 86, 31, 63, 231, 117, 36, 546, 348, 153, 41, 1176, 894, 501, 194, 46, 414, 279, 139, 48, 51, 4422, 693, 418, 187, 291, 56, 7887, 1111, 605, 1226, 347, 61, 16731, 13442, 1716, 4251, 1573, 408, 66, 30173, 22022

Offset

1,2

Links

Table of n, a(n) for n=1..53.

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: A187892 A046615 A103132 * A309550 A274931 A120114

Adjacent sequences: A046624 A046625 A046626 * A046628 A046629 A046630

Keyword

tabf,nonn

Author

Mohammad K. Azarian

Extensions

More terms from James A. Sellers, Dec 16 1999

Status

approved