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A132073
A007318 + A131821 - A103451 as infinite lower triangular matrices.
1
1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 5, 5, 7, 5, 5, 6, 6, 11, 11, 6, 6, 7, 7, 16, 21, 16, 7, 7, 8, 8, 22, 36, 36, 22, 8, 8, 9, 9, 29, 57, 71, 57, 29, 9, 9, 10, 10, 37, 85, 127, 127, 85, 37, 10, 10
OFFSET
0,2
COMMENTS
Row sums = A132074: (1, 4, 9, 16, 27, 46, 81, 148, 279, ...).
EXAMPLE
First few rows of the triangle:
1;
2, 2;
3, 3, 3;
4, 4, 4, 4;
5, 5, 7, 5, 5;
6, 6, 11, 11, 6, 6;
7, 7, 16, 21, 16, 7, 7;
8, 8, 22, 36, 36, 22, 8, 8;
9, 9, 29, 57, 71, 57, 29, 9, 9;
10, 10, 37, 85, 127, 127, 85, 37, 10, 10;
...
CROSSREFS
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Aug 09 2007
STATUS
approved