OFFSET
0,3
COMMENTS
The "quintessence" of sequence A158960. Intended to be read as: H_n(1/5) = (-1)^floor(n/2)*2^round(n/2)*a(n)/5^n; where "round" could be replaced by "ceiling".
First negative term is a(32). Georg Fischer, Feb 15 2019
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..450
MATHEMATICA
Table[HermiteH[n, 1/5]*5^n/2^Ceiling[n/2]*(-1)^Floor[n/2], {n, 0, 50}] (* G. C. Greubel, Jul 12 2018 *)
PROG
(PARI) vector(30, n, polhermite(n, 1/5)*5^n/2^((n+1)\2)/(-1)^(n\2))
CROSSREFS
KEYWORD
sign
AUTHOR
M. F. Hasler, Feb 16 2014
STATUS
approved