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Search: id:A131950
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| 1, 3, 3, 5, 4, 5, 7, 6, 6, 7, 9, 8, 10, 8, 9, 11, 10, 15, 15, 10, 11, 13, 12, 21, 26, 21, 12, 13, 15, 14, 28, 42, 42, 28, 14, 15, 17, 16, 36, 64, 78, 64, 36, 16, 17, 19, 18, 45, 93, 135, 135, 93, 45, 18, 19
(list; table; graph; listen)
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OFFSET
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0,2
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COMMENT
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Row sums = A131951: (1, 6, 14, 26, 44, 72,...).
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EXAMPLE
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First few rows of the triangle are:
1;
3, 3;
5, 4, 5;
7, 6, 6, 7;
9, 8, 10, 8, 9;
11, 10, 15, 15, 10, 11;
13, 12, 21, 26, 21, 12, 13;
15, 14, 28, 42, 42, 28, 14, 15;
...
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CROSSREFS
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Cf. A002024, A131821, A007318, A000012, A131951.
Sequence in context: A122037 A008316 A072820 this_sequence A116192 A090104 A075795
Adjacent sequences: A131947 A131948 A131949 this_sequence A131951 A131952 A131953
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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 30 2007
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