cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A046570 Distinct numbers in writing first numerator and then denominator of each element of the 1/4-Pascal triangle (by row).

Original entry on oeis.org

1, 4, 5, 9, 2, 13, 19, 17, 8, 21, 49, 35, 25, 119, 29, 95, 189, 259, 33, 31, 71, 112, 37, 157, 102, 183, 483, 41, 97, 565, 285, 849, 45, 235, 759, 1705, 1419, 1815, 70, 497, 616, 4543, 1617, 53, 329, 637, 1729, 7007, 11011, 3432, 57, 191, 1603, 1183, 10465
Offset: 1

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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