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Search: id:A131828
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| A131828 |
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Square of lower triangular matrix in A131821, read by rows. |
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+0
1
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| 1, 6, 4, 14, 5, 9, 25, 7, 7, 16, 39, 9, 9, 9, 25, 56, 11, 11, 11, 11, 36, 76, 13, 13, 13, 13, 13, 49, 99, 15, 15, 15, 15, 15, 15, 64, 125, 17, 17, 17, 17, 17, 17, 17, 81, 154, 19, 19, 19, 19, 19, 19, 19, 19, 100
(list; table; graph; listen)
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OFFSET
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1,2
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COMMENT
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Left column = A095794: (1, 6, 14, 25, 39, 56,...). Row sums = A060544: (1, 10, 28, 55, 91, 190,...).
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FORMULA
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A131821^2
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EXAMPLE
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First few rows of the triangle are:
1;
6, 4;
14, 5, 9;
25, 7, 7, 16;
39, 9, 9, 9, 25;
56, 11, 11, 11, 11, 36;
76, 13, 13, 13, 13, 13, 49;
...
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CROSSREFS
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Cf. A131821, A095794, A060544.
Sequence in context: A116946 A040032 A006582 this_sequence A096038 A083581 A107983
Adjacent sequences: A131825 A131826 A131827 this_sequence A131829 A131830 A131831
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Jul 20 2007
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