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A046557
Distinct odd numbers in the numerators of the 1/3-Pascal triangle (by row).
0
1, 7, 5, 13, 25, 55, 19, 31, 73, 49, 203, 95, 105, 145, 295, 179, 583, 737, 37, 71, 1903, 1177, 1683, 325, 2665, 3575, 43, 1225, 8099, 6435, 111, 505, 4865, 3913, 7371, 33319, 13585, 379, 2227, 885, 3485, 535, 1045, 13889, 61, 593, 5415, 18259, 48773, 1421
OFFSET
1,2
EXAMPLE
1/1; --> 1
1/1 1/1; -->
1/1 1/3 1/1; -->
1/1 4/3 4/3 1/1; -->
1/1 7/3 8/3 7/3 1/1; --> 7
1/1 10/3 5/1 5/1 10/3 1/1; --> ...
1/1 13/3 25/3 10/1 25/3 13/3 1/1;
1/1 16/3 38/3 55/3 55/3 38/3 16/3 1/1; ...
CROSSREFS
Cf. A046534.
Sequence in context: A107323 A265794 A265818 * A298722 A299556 A282978
KEYWORD
tabf,nonn,frac,less
EXTENSIONS
Corrected and extended by Sean A. Irvine, Apr 13 2021
STATUS
approved