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Search: id:A144334
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| 1, 2, 1, 4, 3, 4, 7, 6, 10, 9, 11, 10, 18, 21, 16, 16, 15, 28, 36, 36, 25, 22, 21, 40, 54, 60, 55, 36, 29, 28, 54, 75, 88, 90, 78, 49, 37, 36, 70, 99, 120, 130, 126, 105, 64, 46, 45, 88, 126, 156, 175, 180, 168, 136, 81, 56, 55, 108, 156, 196, 225, 240, 238, 216, 171, 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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Row sums = A144335: (1, 3, 11, 32, 76, 156, 288,...).
Left border = A000124.
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EXAMPLE
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First few rows of the triangle =
1;
2, 1
4, 3, 4;
7, 6, 10, 9;
11, 10, 18, 21, 16;
16, 15, 28, 36, 36, 25;
22, 21, 40, 54, 60, 55, 36;
29, 28, 54, 75, 88, 90, 78, 49;
...
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CROSSREFS
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A144328, Cf. A144335
Sequence in context: A093779 A116449 A071046 this_sequence A141210 A107640 A030065
Adjacent sequences: A144331 A144332 A144333 this_sequence A144335 A144336 A144337
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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), Sep 18 2008
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