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A129239
Triangle read by rows: A054521 * A129234 as infinite lower triangular matrices.
0
1, 1, 0, 3, 2, 0, 4, 0, 3, 0, 10, 5, 3, 4, 0, 6, 0, 0, 0, 5, 0, 21, 9, 7, 4, 5, 6, 0, 16, 0, 3, 0, 5, 0, 7, 0, 27, 10, 0, 9, 5, 0, 7, 8, 0, 20, 0, 8, 0, 0, 0, 7, 0, 9, 0, 55, 20, 12, 9, 11, 6, 7, 8, 9, 10, 0, 24, 0, 0, 0, 5, 0, 7, 0, 0, 0, 11, 0, 78, 27, 18, 15, 11, 13, 7, 8, 9, 10, 11, 12, 0
OFFSET
1,4
COMMENTS
Left column = A023896: (1, 1, 3, 4, 10, 6, 21, ...).
EXAMPLE
First few rows of the triangle:
1;
1, 0;
3, 2, 0;
4, 0, 3, 0;
10, 5, 3, 4, 0;
6, 0, 0, 0, 5, 0;
21, 9, 7, 4, 5, 6, 0;
16, 0, 3, 0, 5, 0, 7, 0;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Apr 05 2007
EXTENSIONS
a(21) = 0 inserted and more terms from Georg Fischer, May 29 2023
STATUS
approved