A080110 - OEIS

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A080110

Characteristic function of A080112.

3

0, 1, 1, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..105.

Index entries for characteristic functions

MAPLE

A080110 := n -> A080116(A080117(n));

PROG

(Sage)

def A080110(n) : return A080116(A080117(n)) # Peter Luschny, Aug 09 2012

CROSSREFS

Sequence in context: A112713 A143536 A204437 * A286419 A257799 A089496

Adjacent sequences: A080107 A080108 A080109 * A080111 A080112 A080113

KEYWORD

nonn

AUTHOR

Antti Karttunen, Feb 11 2003

STATUS

approved