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A046219 Denominators of elements of 1/2-Pascal triangle (by row). 0
1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 1, 2, 1, 1, 2, 2, 2, 2, 1, 1, 2, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 2, 2, 1, 1, 2, 1, 2, 1, 2, 1, 2, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 2, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 2, 1, 2, 1, 1, 1, 1, 1 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,5
LINKS
EXAMPLE
1/1; --> 1
1/1 1/1; --> 1 1
1/1 1/2 1/1; --> 1 2 1
1/1 3/2 3/2 1/1; --> ...
1/1 5/2 3/1 5/2 1/1;
1/1 7/2 11/2 11/2 7/2 1/1;
1/1 9/2 9/1 11/1 9/1 9/2 1/1;
1/1 11/2 27/2 20/1 20/1 27/2 11/2 1/1;
...
CROSSREFS
Cf. A046213.
Sequence in context: A191322 A264840 A308188 * A088978 A276948 A160245
KEYWORD
tabl,nonn,frac
AUTHOR
EXTENSIONS
More terms from Sean A. Irvine, Apr 07 2021
STATUS
approved

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Last modified March 19 04:26 EDT 2024. Contains 370952 sequences. (Running on oeis4.)