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A046565
First numerator and then denominator of each element of the 1/4-Pascal triangle (by row), excluding 1's.
0
4, 5, 4, 5, 4, 9, 4, 5, 2, 9, 4, 13, 4, 19, 4, 19, 4, 13, 4, 17, 4, 8, 19, 2, 8, 17, 4, 21, 4, 49, 4, 35, 2, 35, 2, 49, 4, 21, 4, 25, 4, 35, 2, 119, 4, 35, 119, 4, 35, 2, 25, 4, 29, 4, 95, 4, 189, 4, 259, 4, 259, 4, 189, 4, 95, 4, 29, 4, 33, 4, 31, 71, 112
OFFSET
1,1
EXAMPLE
1/1; -->
1/1 1/1; -->
1/1 1/4 1/1; --> 4
1/1 5/4 5/4 1/1; --> 5 4 5 4
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: A010710 A021026 A126128 * A046598 A245078 A276868
KEYWORD
tabf,nonn,less
EXTENSIONS
More terms from Sean A. Irvine, Apr 13 2021
STATUS
approved