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1, 1, 1, 1, 0, 2, 1, 1, 0, 1, 1, 0, 0, 0, 4, 1, 1, 2, 0, 0, 2, 1, 0, 0, 0, 0, 0, 6, 1, 1, 0, 1, 0, 0, 0, 2, 1, 0, 2, 0, 0, 0, 0, 0, 4, 1, 1, 0, 0, 4, 0, 0, 0, 0, 4, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10, 1, 1, 2, 1, 0, 2, 0, 0, 0, 0, 0, 2
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 1,6
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COMMENTS
| Row sums = A055653: (1, 2, 3, 3, 5, 6, 7, 5,...)
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FORMULA
| Triangle read by rows, A051731 * (A114810 * 0^(n-k)); where A051731 = the inverse Mobius transform and (A114810 * 0^(n-k)) = an infinite lower triangular matrix with A114810 as the main diagonal: (1, 1, 2, 1, 4, 2, 6,...) and the rest zeros.
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EXAMPLE
| First few rows of the triangle =
1;
1, 1;
1, 0, 2;
1, 1, 0, 1;
1, 0, 0, 0, 4;
1, 1, 2, 0, 0, 2;
1, 0, 0, 0, 0, 0, 6;
1, 1, 0, 1, 0, 0, 0, 2;
1, 0, 2, 0, 0, 0, 0, 0, 4;
1, 1, 0, 0, 4, 0, 0, 0, 0, 4;
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 10;
1, 1, 2, 1, 0, 2, 0, 0, 0, 0, 0, 2;
1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 12;
1, 1, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 6;
...
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CROSSREFS
| Cf. A114810, A055653
Sequence in context: A171400 A128409 A133699 * A101808 A145865 A076452
Adjacent sequences: A157358 A157359 A157360 * A157362 A157363 A157364
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KEYWORD
| nonn,tabl
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AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), Feb 28 2009
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