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A152215
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Numbers n such that sigma_2(n)/(sigma_1(n)*sigma_0(n)) = c, c an integer.
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0
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1, 4, 25, 100, 121, 256, 289, 484, 529, 841, 1156, 1600, 1681, 2116, 2209, 2809, 3025, 3364, 3481, 5041, 6400, 6724, 6889, 7225, 7921, 8836
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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COMMENTS
| n : A001157(n)/(A000203(n)*A000005(n)) = c, c an integer.
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CROSSREFS
| Cf. A000005, A000203, A001157, A003601, A094471, A140480, A003601, A020486, A020487
Sequence in context: A095669 A195509 A027949 * A082044 A167889 A042651
Adjacent sequences: A152212 A152213 A152214 * A152216 A152217 A152218
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KEYWORD
| easy,nonn
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AUTHOR
| Ctibor O. Zizka (c.zizka(AT)email.cz), Nov 29 2008
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