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1, 2, 4, 8, 16, 48, 64, 144, 288, 512, 576, 2304, 4096, 10240, 18432, 36288, 65536, 184320, 262144, 552960, 718848, 1492992, 2822400, 9123840, 13418496, 44695552, 68762880, 106168320, 109486080, 580386816, 1073741824, 2155507200
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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MATHEMATICA
| Table[ EulerPhi[ DivisorSigma[1, 2^n - 1]], {n, 33}]
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CROSSREFS
| Cf. A062401, A062402, A053287, A096853, A096854, A096855, A096856.
Sequence in context: A018593 A081473 A018627 * A027155 A129335 A046237
Adjacent sequences: A096850 A096851 A096852 * A096854 A096855 A096856
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KEYWORD
| nonn
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AUTHOR
| Labos E. (labos(AT)ana.sote.hu), Jul 19 2004
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EXTENSIONS
| Edited and extended by Robert G. Wilson v (rgwv(AT)rgwv.com), Jul 23 2004
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