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Search: id:A071796
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A071796 Denominators of a(n+1)=sum_{k=1}^n a'(n/k), a(1)=1, where a'(x)=a(x) if x integer and is linearly interpolated otherwise. +0
2
1, 1, 1, 1, 1, 2, 2, 6, 2, 4, 12, 20, 20, 60, 4, 84, 420, 840, 840, 504, 8, 120, 2520, 3080, 3080, 3080, 3080, 17160, 51480, 3432, 3432, 360360, 10920, 624, 48048, 4084080, 1361360, 12252240, 314160 (list; graph; listen)
OFFSET

1,6

EXAMPLE

a(2)=a'(1/1)=a(1)=1, so a'(x)=1 for all x in [1,2].

CROSSREFS

Cf. A071795.

Adjacent sequences: A071793 A071794 A071795 this_sequence A071797 A071798 A071799

Sequence in context: A138949 A138951 A163370 this_sequence A121699 A080404 A086568

KEYWORD

nonn,easy,frac

AUTHOR

Michele Dondi (bik.mido(AT)tiscalinet.it), Jun 05, 2002

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Last modified November 8 20:39 EST 2009. Contains 166234 sequences.


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