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Search: id:A083683
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A083683 a(n) = 2*a(n-1) - 1. +0
2
12, 23, 45, 89, 177, 353, 705, 1409, 2817, 5633, 11265, 22529, 45057, 90113, 180225, 360449, 720897, 1441793, 2883585, 5767169, 11534337, 23068673, 46137345, 92274689, 184549377, 369098753, 738197505, 1476395009, 2952790017, 5905580033, 11811160065 (list; graph; listen)
OFFSET

0,1

COMMENT

Warning: not all quizzes permit the use of the OEIS!

LINKS

C. P. Simoes, Teste de Desempenho Mental.

FORMULA

11*2^n + 1.

CROSSREFS

Adjacent sequences: A083680 A083681 A083682 this_sequence A083684 A083685 A083686

Sequence in context: A088997 A049852 A045532 this_sequence A015447 A072822 A059161

KEYWORD

nonn

AUTHOR

njas, Jun 15 2003

page 1

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Last modified October 15 09:18 EDT 2008. Contains 145015 sequences.


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