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A131828
Square of lower triangular matrix in A131821, read by rows.
0
1, 6, 4, 14, 5, 9, 25, 7, 7, 16, 39, 9, 9, 9, 25, 56, 11, 11, 11, 11, 36, 76, 13, 13, 13, 13, 13, 49, 99, 15, 15, 15, 15, 15, 15, 64, 125, 17, 17, 17, 17, 17, 17, 17, 81, 154, 19, 19, 19, 19, 19, 19, 19, 19, 100
OFFSET
1,2
COMMENTS
Left column = A095794: (1, 6, 14, 25, 39, 56, ...).
Row sums = A060544: (1, 10, 28, 55, 91, 190, ...).
FORMULA
EXAMPLE
First few rows of the triangle:
1;
6, 4;
14, 5, 9;
25, 7, 7, 16;
39, 9, 9, 9, 25;
56, 11, 11, 11, 11, 36;
76, 13, 13, 13, 13, 13, 49;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Jul 20 2007
STATUS
approved