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A143308
Triangle read by rows, A127446 * A000012, 1<=k<=n.
2
1, 4, 2, 6, 3, 3, 12, 8, 4, 4, 10, 5, 5, 5, 5, 24, 18, 12, 6, 6, 6, 14, 7, 7, 7, 7, 7, 7, 32, 24, 16, 16, 8, 8, 8, 8, 27, 18, 18, 9, 9, 9, 9, 9, 9, 40, 30, 20, 20, 20, 10, 10, 10, 10, 10, 22, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 72, 60, 48, 36, 24, 24, 12, 12, 12, 12, 12, 12
OFFSET
1,2
COMMENTS
Given triangle A127446, partial sums of terms starting from the right.
Row sums give A064987.
Left column is A038040.
EXAMPLE
First few rows of the triangle =
1;
4, 2;
6, 3, 3;
12, 8, 4, 4;
10, 5, 5, 5, 5;
24, 18, 12, 6, 6, 6;
14, 7, 7, 7, 7, 7, 7;
Row 4 = (12, 8, 4, 4) since row 4 of triangle A127446 = (4, 4, 0, 4).
CROSSREFS
KEYWORD
nonn,tabl,less
AUTHOR
Gary W. Adamson, Aug 06 2008
EXTENSIONS
a(56) corrected by Georg Fischer, Jul 04 2023
STATUS
approved