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A046570
Distinct numbers in writing first numerator and then denominator of each element of the 1/4-Pascal triangle (by row).
0
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
1,2
EXAMPLE
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.
Sequence in context: A171091 A200588 A197821 * A274412 A168429 A195787
KEYWORD
tabf,nonn
EXTENSIONS
More terms from James A. Sellers, Dec 14 1999
STATUS
approved