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A127778
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Triangle T(n,k) = A002411(k) read by rows.
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1
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1, 1, 6, 1, 6, 18, 1, 6, 18, 40, 1, 6, 18, 40, 75, 1, 6, 18, 40, 75, 126, 1, 6, 18, 40, 75, 126, 196, 1, 6, 18, 40, 75, 126, 196, 288
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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FORMULA
| Equals the matrix product A002260 * A127773 as infinite lower triangular matrices.
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EXAMPLE
| First few rows of the triangle are:
1;
1, 6;
1, 6, 18;
1, 6, 18, 40;
1, 6, 18, 40, 75;
...
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CROSSREFS
| Cf. A002411, A001296 (row sums), A127773, A002260, A127777.
Sequence in context: A131114 A199230 A199101 * A076714 A113811 A126168
Adjacent sequences: A127775 A127776 A127777 * A127779 A127780 A127781
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KEYWORD
| nonn,easy,tabl
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AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), Jan 28 2007
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