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 A046582 First denominator and then numerator of each element of the 1/4-Pascal triangle (by row), excluding 4's. 0
 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 1, 1, 1, 1, 9, 2, 5, 9, 1, 1, 1, 1, 13, 19, 19, 13, 1, 1, 1, 1, 17, 1, 8, 2, 19, 1, 8, 17, 1, 1, 1, 1, 21, 49, 2, 35, 2, 35, 49, 21, 1, 1, 1, 1, 25, 2, 35, 119, 1, 35, 119, 2, 35, 25, 1, 1, 1, 1, 29 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,14 LINKS EXAMPLE 1/1; --> 1 1 1/1 1/1; --> 1 1 1 1 1/1 1/4 1/1; --> 1 1 1 1 1/1 5/4 5/4 1/1; --> 1 1 5 5 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: A286838 A172457 A028277 * A046581 A046594 A046585 Adjacent sequences:  A046579 A046580 A046581 * A046583 A046584 A046585 KEYWORD tabf,nonn,frac,less AUTHOR STATUS approved

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Last modified February 19 09:33 EST 2020. Contains 332041 sequences. (Running on oeis4.)