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 A046598 First numerator and then denominator of each element of the 1/4-Pascal triangle (by row), excluding 1's and 2's. 0
 4, 5, 4, 5, 4, 9, 4, 5, 9, 4, 13, 4, 19, 4, 19, 4, 13, 4, 17, 4, 8, 19, 8, 17, 4, 21, 4, 49, 4, 35, 35, 49, 4, 21, 4, 25, 4, 35, 119, 4, 35, 119, 4, 35, 25, 4, 29, 4, 95, 4, 189, 4, 259, 4, 259, 4, 189, 4, 95, 4, 29, 4, 33, 4, 31, 71, 112, 259, 112, 71, 31, 33, 4, 37, 4, 157, 4, 102 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS 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: A021026 A126128 A046565 * A245078 A276868 A182495 Adjacent sequences:  A046595 A046596 A046597 * A046599 A046600 A046601 KEYWORD tabf,nonn AUTHOR EXTENSIONS More terms from James A. Sellers, Dec 14 1999 STATUS approved

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Last modified May 18 19:58 EDT 2021. Contains 344002 sequences. (Running on oeis4.)