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A093698 Floor( e^ (n/2*ArcCosh(1+Sqrt(2)))). 0
1, 2, 4, 9, 21, 45, 98, 210, 452, 971, 2085, 4478, 9618, 20654, 44355, 95252, 204549, 439262, 943298, 2025695, 4350099, 9341661, 20060837, 43079834, 92512195, 198666181, 426627554, 916165344, 1967427861, 4224971416, 9072954499 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

MATHEMATICA

Table[ Floor[ E^ (n/2*ArcCosh[1 + Sqrt[2]])], {n, 0, 30}]

CROSSREFS

Cf. A093568.

Sequence in context: A030039 A018105 A035056 * A091619 A061439 A027711

Adjacent sequences:  A093695 A093696 A093697 * A093699 A093700 A093701

KEYWORD

easy,nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Apr 09 2004

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Last modified February 15 02:38 EST 2012. Contains 205689 sequences.