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A145649 Characteristic function of the lucky numbers. +0
4
1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1 (list; graph; listen)
OFFSET

1,1

COMMENT

a(A000959(n)) = 1; a(A050505(n)) = 0.

LINKS

Index entries for characteristic functions

Eric Weisstein's World of Mathematics, Lucky Numbers

CROSSREFS

Adjacent sequences: A145646 A145647 A145648 this_sequence A145650 A145651 A145652

Sequence in context: A015605 A015437 A015101 this_sequence A016340 A014021 A015725

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 15 2008

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Last modified November 8 07:45 EST 2009. Contains 166143 sequences.


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