A046589 Distinct even numbers in writing first numerator and then denominator of each element of the 1/4-Pascal triangle (by row).

4, 2, 8, 112, 102, 70, 616, 3432, 6864, 606, 2080, 10920, 17810, 23738, 2686, 28730, 41548, 23766, 70278, 13566, 196, 5320, 102714, 184110, 352716, 286824, 1469650, 11408, 155848, 4293962, 5289448, 2400, 1378850, 9583410, 21915550, 37442160

Offset: 1

Author

Mohammad K. Azarian

Keywords

• tabf
• nonn

Examples

			1/1; 1/1 1/1; 1/1 1/4 1/1; 1/1 5/4 5/4 1/1; 1/1 9/4 5/2 9/4 1/1; 1/1 13/4 19/4 19/4 13/4 1/1; 1/1 17/4 8/1 19/2 8/1 17/4 1/1; 1/1 21/4 49/4 35/2 35/2 49/4 21/4 1/1; ...
		

Crossrefs

Cf. A046563.

Extensions

More terms from James Sellers, Dec 14 1999