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1, 1, 3, 1, 9, 6, 1, 18, 36, 10, 1, 30, 120, 100, 15, 1, 45, 300, 500, 225, 21, 1, 63, 630, 1750, 1575, 441, 28, 1, 84, 1176, 4900, 7350, 4116, 784, 36, 1, 108, 2016, 11760, 26460, 24696, 9408, 1296, 45, 1, 135, 3240, 25200, 79380, 111132, 70560, 19440
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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COMMENTS
| Row sums = A132820: (1, 4, 16, 65, 266,...)
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FORMULA
| A001263 * A127773 as infinie lower triangular matrices.
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EXAMPLE
| First few rows of the triangle are:
1;
1, 3;
1, 9, 6;
1, 18, 36, 10;
1, 30, 120, 100, 15;
1, 45, 300, 500, 225, 21;
...
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CROSSREFS
| Cf. A001263, A127773, A132820.
Sequence in context: A112932 A077895 A105539 * A105545 A178831 A164942
Adjacent sequences: A132816 A132817 A132818 * A132820 A132821 A132822
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KEYWORD
| nonn,tabl
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AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), Sep 02 2007
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