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Search: id:A141812
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| A141812 |
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RMS values of the RMS numbers: a(n) is the Root Mean Square of the divisors of A140480(n). |
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+0
7
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| 1, 5, 29, 169, 145, 845, 1105, 2405, 3445, 4901, 2665, 5525, 9425, 12325, 12025, 17225, 24505, 13325, 32045, 55205, 47125, 61625, 69745, 101065, 99905, 77285, 124501, 160225, 186745, 204425, 239425, 160225, 273325, 276025, 292825, 226525
(list; graph; listen)
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OFFSET
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1,2
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COMMENT
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those numbers seems to be congruent to 0,1,-1 mod 5 [From Ctibor O. Zizka (c.zizka(AT)email.cz), Sep 23 2008]
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LINKS
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Andrew Weimholt, Table of n, a(n) for n = 1..455
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EXAMPLE
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a(5)=145, because A140480(5)=287, with divisors 1,7,41,287 and RMS(1,7,41,287) = 145.
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CROSSREFS
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Cf. A140480, A141813, A141814, A141815, A141816.
Sequence in context: A098780 A146178 A015537 this_sequence A001653 A141814 A122370
Adjacent sequences: A141809 A141810 A141811 this_sequence A141813 A141814 A141815
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KEYWORD
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nonn
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AUTHOR
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Andrew Weimholt (andrew(AT)weimholt.com), Jul 07 2008
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