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A076142 a(n) = A064097(n) - A003313(n). 7
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..100.

FORMULA

It seems that sum(k = 1, n, a(k)) * log(n)/n^2 -> c (0.006 <c < 0.01).

CROSSREFS

Cf. A076091.

Sequence in context: A023975 A011738 A011737 * A011736 A085982 A011735

Adjacent sequences:  A076139 A076140 A076141 * A076143 A076144 A076145

KEYWORD

nonn

AUTHOR

Benoit Cloitre, Oct 31 2002

STATUS

approved

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Last modified May 23 02:46 EDT 2017. Contains 286909 sequences.