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A123259 A123228/2. 1
3, -7, 11, 233, -3357, 25673, -102709, -319207, 9893763, -97727527, 563250251, -818302327, -23939051037, 331342081193, -2482627432309, 9536407068473, 35533850058243, -988203251837767, 9543386061052811, -53687973726459607, 64388654104236003, 2442458092308867593 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
LINKS
PROG
(PARI) polsym(x^6 + 14*x^5 + 87*x^4 + 148*x^3 + 87*x^2 + 14*x + 1, 30)/2 \\ Charles R Greathouse IV, Jul 20 2016
CROSSREFS
Sequence in context: A082598 A082599 A354082 * A116605 A361090 A323339
KEYWORD
sign,easy
AUTHOR
N. J. A. Sloane, Nov 12 2006
STATUS
approved

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Last modified July 13 02:40 EDT 2024. Contains 374261 sequences. (Running on oeis4.)