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Search: id:A145352
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| 1, 0, 2, 0, 0, 3, 0, 2, 0, 4, 0, 0, 0, 0, 5, 0, 4, 6, 0, 0, 6, 0, 0, 0, 0, 0, 0, 7, 0, 4, 0, 12, 0, 0, 0, 8, 0, 0, 15, 0, 0, 0, 0, 0, 9, 0, 8, 0, 0, 20, 0, 0, 0, 0, 10, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11, 0, 4, 21, 36, 0, 30, 0, 0, 0, 0, 0, 12
(list; table; graph; listen)
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OFFSET
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1,3
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COMMENT
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Row sums = A156833: (1, 2, 3, 6, 5, 16, 7,...)
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FORMULA
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Inverse Mobius transform of triangle A157497.
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EXAMPLE
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First few rows of the triangle =
1;
0, 2;
0, 0, 3;
0, 2, 0, 4;
0, 0, 0, 0, 5;
0, 4, 6, 0, 0, 6;
0, 0, 0, 0, 0, 0, 7;
0, 4, 0, 12, 0, 0, 0, 8;
0, 0, 15, 0, 0, 0, 0, 0, 9;
0, 8, 0, 0, 20, 0, 0, 0, 0, 10;
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 11;
0, 4, 21, 36, 0, 30, 0, 0, 0, 0, 0, 12;
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 13;
0, 12, 0, 0, 0, 0, 42, 0, 0, 0, 0, 0, 0, 14;
...
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CROSSREFS
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Cf. A157497, A054525, A156833
Sequence in context: A024159 A029302 A143517 this_sequence A086834 A029301 A162934
Adjacent sequences: A145349 A145350 A145351 this_sequence A145353 A145354 A145355
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KEYWORD
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nonn,tabl
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AUTHOR
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Gary W. Adamson & Mats Granvik (qntmpkt(AT)yahoo.com), Mar 01 2009
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