Even order Taylor coefficients at x = 0 of exp(-x^2/(x^2-2)), odd order coefficients being equal to zero.

A081020

Even order Taylor coefficients at x = 0 of exp(-x^2/(x^2-2)), odd order coefficients being equal to zero.

Terms

    a(0) =1a(1) =1a(2) =9a(3) =195a(4) =7665a(5) =473445a(6) =42110145a(7) =5085535455a(8) =799363389825

External references