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A083088 First column of table A083087. +0
4
1, 2, 4, 6, 7, 9, 11, 12, 14, 16, 18, 19, 21, 23, 24, 26, 28, 30, 31, 33, 35, 36, 38, 40, 41, 43, 45, 47, 48, 50, 52, 53, 55, 57, 59, 60, 62, 64, 65, 67, 69, 70, 72, 74, 76, 77, 79, 81, 82, 84, 86, 88, 89, 91, 93, 94, 96, 98, 100, 101, 103, 105, 106, 108, 110, 111, 113, 115 (list; graph; listen)
OFFSET

0,2

FORMULA

a(n) = floor(n*x/(x-1)) + 1, n>=0, where x=1+sqrt(2).

CROSSREFS

Cf. A083087, A083044, A083047, A083050.

Cf. A080755. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Sep 17 2008]

Sequence in context: A051533 A039009 A032793 this_sequence A080755 A083089 A136617

Adjacent sequences: A083085 A083086 A083087 this_sequence A083089 A083090 A083091

KEYWORD

nonn

AUTHOR

Paul D. Hanna (pauldhanna(AT)juno.com), Apr 21 2003

EXTENSIONS

This entry formerly contained an erroneous comment, which was deleted by N. J. A. Sloane (njas(AT)research.att.com), Jan 30 2008

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.


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