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Search: id:A033657
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A033657 Reverse and Add!. +0
1
23, 55, 110, 121, 242, 484, 968, 1837, 9218, 17347, 91718, 173437, 907808, 1716517, 8872688, 17735476, 85189247, 159487405, 664272356, 1317544822, 3602001953, 7193004016, 13297007933, 47267087164 (list; graph; listen)
OFFSET

0,1

LINKS

Index entries for sequences related to Reverse and Add!

FORMULA

a(n) = A033655(n-1) = A033650(n+1), n>1. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 22 2008]

CROSSREFS

Sequence in context: A103006 A053236 A118603 this_sequence A166144 A007795 A153353

Adjacent sequences: A033654 A033655 A033656 this_sequence A033658 A033659 A033660

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified March 20 09:10 EDT 2010. Contains 173642 sequences.


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