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Search: id:A086942
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A086942 a(n) = k where R(k+8)=4. +0
2
32, 392, 3992, 39992, 399992, 3999992, 39999992, 399999992, 3999999992, 39999999992, 399999999992, 3999999999992, 39999999999992, 399999999999992, 3999999999999992, 39999999999999992, 399999999999999992 (list; graph; listen)
OFFSET

1,1

COMMENT

R(a(n))=A086943(n).

FORMULA

a(n) = 4*(10^n-2)

CROSSREFS

Sequence in context: A163690 A087024 A128798 this_sequence A068548 A061594 A145403

Adjacent sequences: A086939 A086940 A086941 this_sequence A086943 A086944 A086945

KEYWORD

nonn

AUTHOR

Ray Chandler (rayjchandler(AT)sbcglobal.net), Jul 24 2003

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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.


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