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A081020 Even order Taylor coefficients at x = 0 of exp(-x^2/(x^2-2)), odd order coefficients being equal to zero. 2
1, 9, 195, 7665, 473445, 42110145, 5085535455, 799363389825, 158394573362025, 38590445989920825, 11330437552124766075, 3943491069629507821425 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..12.

FORMULA

In Maple notation: a(n)=subs(x=0, diff(exp(-x^2/(x^2-2)), x$2*n)), n=1, 2...

CROSSREFS

Sequence in context: A196959 A266485 A279132 * A017426 A244506 A274269

Adjacent sequences:  A081017 A081018 A081019 * A081021 A081022 A081023

KEYWORD

nonn

AUTHOR

Karol A. Penson, Mar 01 2003

STATUS

approved

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Last modified September 17 19:02 EDT 2019. Contains 327137 sequences. (Running on oeis4.)