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Search: id:A121067
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| A121067 |
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a(n) = the n-th divisor of n^n (when the positive divisors of n^n are written in order from smallest to largest). |
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+0
3
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| 1, 2, 9, 8, 625, 8, 117649, 128, 6561, 32, 25937424601, 27, 23298085122481, 112, 375, 32768, 48661191875666868481, 72, 104127350297911241532841, 250, 2401, 1024, 907846434775996175406740561329, 162, 59604644775390625, 2704, 2541865828329
(list; graph; listen)
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OFFSET
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1,2
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EXAMPLE
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1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64,... is the beginning of the sequence of divisors of 6^6 = 46656. 8 is the 6th term of this sequence of divisors (which is sequence A114334), so a(6) = 8.
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PROGRAM
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(PARI) m=27; for(n=1, m, d=divisors(n^n); print1(d[n], ", ")) - (Klaus Brockhaus, Aug 14 2006)
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CROSSREFS
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Cf. A000312.
Sequence in context: A069815 A129194 A092270 this_sequence A073904 A036879 A073927
Adjacent sequences: A121064 A121065 A121066 this_sequence A121068 A121069 A121070
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KEYWORD
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nonn
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AUTHOR
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Leroy Quet (qq-quet(AT)mindspring.com), Aug 10 2006
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EXTENSIONS
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More terms from Joshua Zucker (joshua.zucker(AT)stanfordalumni.org), Klaus Brockhaus (klaus-brockhaus(AT)t-online.de) and Jason Earls (zevi_35711(AT)yahoo.com), Aug 11 2006
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