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A127371
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Triangle, row sums = n, left column = d(n).
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0
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1, 2, 0, 2, 1, 0, 3, 0, 1, 0, 2, 1, 1, 1, 0, 4, 1, 0, 0, 1, 0, 2, 1, 1, 1, 1, 1, 0, 4, 0, 2, 0, 1, 0, 1, 0, 3, 2, 0, 1, 1, 0, 1, 1, 0, 4, 1, 2, 1, 0, 0, 1, 0, 1, 0, 1, 0
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| Row sums = n, left column = d(n), (A000005: 1, 2, 2, 3, 2, 4, 2,...)
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FORMULA
| A051731 * A054521, as infinite lower triangular matrices. Inverse Mobius transform of A054521.
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EXAMPLE
| First few rows of the triangle are:
1;
2, 0;
2, 1, 0;
3, 0, 1, 0;
2, 1, 1, 1, 0;
4, 1, 0, 0, 1, 0;
2, 1, 1, 1, 1, 1, 0;
4, 0, 2, 0, 1, 0, 1, 0;
3, 2, 0, 1, 1, 0, 1, 1, 0;
...
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CROSSREFS
| Cf. A051731, A000005, A054521.
Sequence in context: A190436 A133696 A195050 * A036849 A097364 A177446
Adjacent sequences: A127368 A127369 A127370 * A127372 A127373 A127374
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KEYWORD
| nonn,tabl
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AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), Jan 12 2007
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