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Search: id:A127651
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| 1, 2, 4, 3, 0, 9, 4, 8, 0, 16, 5, 0, 0, 0, 25, 6, 12, 18, 0, 0, 36, 7, 0, 0, 0, 0, 0, 49, 8, 16, 0, 32, 0, 0, 0, 64, 9, 0, 27, 0, 0, 0, 0, 0, 81, 10, 20, 0, 0, 50, 0, 0, 0, 0, 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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Natural number transform of A127093.
Row sums = n*sigma(n), A064987: (1, 6, 12, 28, 30, 72, 56,...)
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EXAMPLE
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First few rows of the triangle are:
1;
2, 4;
3, 0, 9;
4, 8, 0, 16;
5, 0, 0, 0, 25;
6, 12, 18, 0, 0, 36;
7, 0, 0, 0, 0, 0, 49;
8, 16, 0, 32, 0, 0, 0, 64;
...
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CROSSREFS
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Cf. A127648, A127093, A064987.
Adjacent sequences: A127648 A127649 A127650 this_sequence A127652 A127653 A127654
Sequence in context: A134138 A048644 A106137 this_sequence A019641 A085008 A134893
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KEYWORD
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nonn,tabl,easy,more
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Jan 22 2007
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