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A046562
Distinct even numbers in writing first numerator and then denominator of each element to the right of the central elements of the 1/3-Pascal triangle (by row).
0
4, 10, 38, 16, 18, 22, 350, 220, 252, 190, 40, 28, 442, 148, 946, 440, 34, 254, 2860, 5434, 250, 14014, 3640, 290, 46, 74074, 55432, 11284, 16604, 6380, 616, 155584, 129506, 89284, 50456, 22984, 8228, 428, 52, 95030, 72930, 46580, 24480, 10404, 160, 596258
OFFSET
1,1
EXAMPLE
1/1; -->
1/1 1/1; -->
1/1 1/3 1/1; -->
1/1 4/3 4/3 1/1; --> 4
1/1 7/3 8/3 7/3 1/1; -->
1/1 10/3 5/1 5/1 10/3 1/1; --> 10
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: A149190 A102755 A197551 * A240382 A220198 A197051
KEYWORD
tabf,nonn,less
EXTENSIONS
Corrected and extended by Sean A. Irvine, Apr 13 2021
STATUS
approved