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Search: id:A144515
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| 1, 2, 1, 2, 0, 1, 3, 1, 0, 1, 2, 0, 0, 0, 1, 4, 1, 1, 0, 0, 1, 2, 0, 0, 0, 0, 0, 1, 4, 1, 0, 1, 0, 0, 0, 1, 3, 0, 1, 0, 0, 0, 0, 0, 1, 4, 1, 0, 0, 1, 0, 0, 0, 0, 1
(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 = A114003: (1, 3, 3, 5, 3, 7, 3, 7, 5, 7,...).
Left border = d(n), A000005: (1, 2, 2, 3, 2, 4, 2, 4,...).
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FORMULA
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A051731 * A103451 as infinite lower triangular matrices. Left border of A051731 (all 1's) is replaced with A000005: (1, 2, 2, 3, 2, 4,...).
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EXAMPLE
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First few rows of the triangle are:
1;
2, 1;
2, 0, 1;
3, 1, 0, 1;
2, 0, 0, 0, 1;
4, 1, 1, 0, 0, 1;
2, 0, 0, 0, 0, 0, 1;
...
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CROSSREFS
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Cf. A114003, A000005, A103451.
Sequence in context: A049986 A137289 A063574 this_sequence A028933 A143352 A127170
Adjacent sequences: A144512 A144513 A144514 this_sequence A144516 A144517 A144518
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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), Nov 21 2007
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