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Search: id:A143542
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| 0, 0, 1, 0, 1, 1, 0, 1, 0, 0, 0, 1, 1, 0, 1, 0, 2, 1, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 2, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 0, 0, 0, 1
(list; table; graph; listen)
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OFFSET
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1,17
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COMMENT
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Row sums = A066328: (0, 1, 2, 1, 3, 3, 4,...)
Prime rows = first n terms of A010051, the characteristic function of the primes.
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FORMULA
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Triangle read by rows, A051731 * A143541 as infinite lower triangular matrices; 1<=k<=n. A051731 = the inverse Mobius transform.
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EXAMPLE
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First few rows of the triangle =
0;
0, 1;
0, 1, 1;
0, 1, 0, 0;
0, 1, 1, 0, 1;
0, 2, 1, 0, 0, 0;
0, 1, 1, 0, 1, 0, 1;
...
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CROSSREFS
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Cf. A143541, A051731, A010051.
Sequence in context: A068933 A015472 A049816 this_sequence A072612 A116378 A124744
Adjacent sequences: A143539 A143540 A143541 this_sequence A143543 A143544 A143545
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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), Aug 23 2008
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