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1, 4, 3, 9, 4, 5, 16, 5, 6, 7, 25, 6, 7, 8, 9, 36, 7, 8, 9, 10, 11, 49, 8, 9, 10, 11, 12, 13, 64, 9, 10, 11, 12, 13, 14, 15, 81, 10, 11, 12, 13, 14, 15, 16, 17, 100, 11, 12, 13, 14, 15, 16, 17, 18, 19
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| Row sums = A000566: (1, 7, 18, 34, 55, 81,...), binomial transform of (1, 6, 5, 0, 0, 0,...). A131894 = A131843 * A000012.
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FORMULA
| A000012 * A131843 as infinite lower triangular matrices.
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EXAMPLE
| First few rows of the triangle are:
1;
4, 3;
9, 4, 5;
16, 5, 6, 7;
25, 6, 7, 8, 9;
36, 7, 8, 9, 10, 11;
49, 8, 9, 10, 11, 12, 13;
64, 9, 10, 11, 12, 13, 14, 15;
...
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CROSSREFS
| Cf. A131843, A000566.
Sequence in context: A095303 A074123 A016704 * A114380 A103825 A073238
Adjacent sequences: A131893 A131894 A131895 * A131897 A131898 A131899
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KEYWORD
| nonn,tabl
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AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), Jul 24 2007
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