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1, 2, 1, 3, 3, 3, 4, 6, 12, 9, 5, 10, 30, 45, 31, 6, 15, 60, 135, 186, 121, 7, 21, 105, 315, 651, 847, 523, 8, 28, 168, 630, 1736, 3388, 4184, 2469
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| Row sums = A040027 starting (1, 3, 9, 31, 121, 523,...)
Sum of n-th row terms = rightmost term of next row.
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FORMULA
| Triangle read by rows, A135278 * (A040027 * 0^(n-k))
Binomial transform of an infinite lower triangular matrix with A040027
(starting 1, 1, 3, 9, 31, 121,...) as the main and subdiagonals.
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EXAMPLE
| First few rows of the triangle =
1;
2, 1;
3, 3, 3;
4, 6, 12, 9;
5, 10, 30, 45, 31;
6, 15, 60, 135, 186, 121;
7, 21, 105, 315, 651, 846, 523;
8, 28, 168, 630, 1736, 3388, 4184, 2469;
...
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CROSSREFS
| Sequence in context: A105637 A029161 A035384 * A066328 A097686 A082666
Adjacent sequences: A153865 A153866 A153867 * A153869 A153870 A153871
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KEYWORD
| nonn,tabl
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AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), Jan 03 2009
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