A046612 Distinct numbers in writing first numerator and then denominator of the central elements of the 1/5-Pascal triangle (by row).

1, 5, 12, 46, 34, 126, 2352, 8844, 33462, 25454, 97240, 1864356, 7171892, 27665596, 21395520, 82907640, 321868854, 1251661518, 4874644104, 19010020260, 74225053980, 290134122564, 1135234789728, 4446052592904, 17427428373420

Offset: 1

Author

Mohammad K. Azarian

Keywords

• nonn

Examples

			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.

Extensions

More terms from James Sellers, Dec 16 1999