login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A051165 Sequence is defined by property that binomial transform of (a0,a1,a2,a3,...) = (a0,a0,a1,a1,a2,a2,a3,a3,...). 4
1, 0, -1, 2, -4, 8, -12, 8, 15, -56, 81, -26, -130, 208, 306, -2060, 4796, -5120, -6140, 43320, -113768, 182720, -111768, -395696, 1725172, -3922016, 5614348, -2289912, -14957416, 56700032, -121684568, 164735504, -47657969, -491084768, 1740799985, -3598600386, 4619098604 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

LINKS

Alois P. Heinz, Table of n, a(n) for n = 0..1000

N. J. A. Sloane, Transforms

MAPLE

a:= proc(n) option remember; add(`if`(k<2, 1,

      a(iquo(k, 2)))*(-1)^(n-k)*binomial(n, k), k=0..n)

    end:

seq(a(n), n=0..45);  # Alois P. Heinz, Jul 08 2015

CROSSREFS

Cf. A051163, A051164, A051166.

Sequence in context: A101831 A246703 A079389 * A009664 A009507 A064657

Adjacent sequences:  A051162 A051163 A051164 * A051166 A051167 A051168

KEYWORD

easy,sign,eigen

AUTHOR

Jonas Wallgren

EXTENSIONS

More terms from Vladeta Jovovic, Jul 26 2002

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy .

Last modified February 24 12:19 EST 2018. Contains 299620 sequences. (Running on oeis4.)