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A192680 Floor-Sqrt transform of Sylvester continuants (A002801). 0
1, 1, 1, 2, 7, 20, 65, 232, 883, 3581, 15383, 69579, 329769, 1631137, 8391824, 44777342, 247182082, 1408611456, 8270902948, 49953724226, 309870713560, 1971523962002, 12849924998486, 85702472618249, 584305721381119, 4068533850711783, 28907888594859403 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Table of n, a(n) for n=0..26.

FORMULA

a(n) = floor(sqrt(A002801(n))).

MATHEMATICA

FSFromExpSeries[f_, x_, n_] := Map[Floor[Sqrt[#]]&, CoefficientList[Series[f, {x, 0, n}], x]Table[k!, {k, 0, n}]]

FSFromExpSeries[Exp[x/2]/(1-2x)^(1/4), x, 40]

CROSSREFS

Sequence in context: A035071 A055891 A122877 * A000150 A115117 A029890

Adjacent sequences:  A192677 A192678 A192679 * A192681 A192682 A192683

KEYWORD

nonn

AUTHOR

Emanuele Munarini, Jul 07 2011

STATUS

approved

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Last modified December 10 04:09 EST 2016. Contains 278993 sequences.