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A130207
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Diagonalized matrix of A000010.
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7
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1, 0, 1, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 4
(list; table; graph; refs; listen; history; internal format)
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OFFSET
| 1,6
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COMMENTS
| A130208 replaces phi(n) with Sigma(n), A000203. A130209 replaces phi(n) with d(n), A000005.
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FORMULA
| Infinite lower triangular matrix with A000010, phi(n), as the right diagonal and the rest zeros.
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EXAMPLE
| First few rows of the triangle are:
1;
0, 1;
0, 0, 2;
0, 0, 0, 2;
0, 0, 0, 0, 4;
...
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CROSSREFS
| Cf. A000010, A130208, A130209.
Sequence in context: A191906 A187080 A070202 * A167688 A083914 A083891
Adjacent sequences: A130204 A130205 A130206 * A130208 A130209 A130210
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KEYWORD
| nonn,tabl
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AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), May 16 2007
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