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 A046221 Odd numbers on numerators of 1/2-Pascal triangle (by row). 0
 1, 1, 1, 1, 1, 1, 1, 3, 3, 1, 1, 5, 3, 5, 1, 1, 7, 11, 11, 7, 1, 1, 9, 9, 11, 9, 9, 1, 1, 11, 27, 27, 11, 1, 1, 13, 19, 67, 67, 19, 13, 1, 1, 15, 51, 105, 147, 147, 105, 51 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,8 LINKS EXAMPLE 1/1; --> 1 1/1 1/1;  --> 1 1 1/1 1/2 1/1; --> 1 1 1 1/1 3/2 3/2 1/1; --> 1 3 3 1 1/1 5/2 3/1 5/2 1/1; --> 1 5 3 5 1 1/1 7/2 11/2 11/2 7/2 1/1; --> 1 7 11 11 7 1 1/1 9/2 9/1 11/1 9/1 9/2 1/1; --> 1 9 9 11 9 9 1 1/1 11/2 27/2 20/1 20/1 27/2 11/2 1/1; --> 1 11 27 27 11 1 ... CROSSREFS Cf. A046213. Sequence in context: A179680 A123562 A046218 * A220837 A187371 A056611 Adjacent sequences:  A046218 A046219 A046220 * A046222 A046223 A046224 KEYWORD tabf,nonn,frac,less AUTHOR STATUS approved

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