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A074826 Binomial transform of reflected pentanacci numbers A074062: a(n)=Sum((-1)^k*Binomial(n,k)*A074062(k),(k=0,..,n)). 0
5, 6, 6, 6, 6, -4, -60, -246, -722, -1758, -3754, -7144, -11868, -15646, -9458, 32726, 174750, 555668, 1446564, 3310642, 6788406, 12366066, 19107358, 21047904, -1585148, -101419654, -400928730, -1155269658, -2838111242, -6203242964, -12144929980, -20857830310, -29087301442 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..32.

N. J. A. Sloane, Transforms

FORMULA

a(n) = 6a(n-1)-15a(n-2)+20a(n-3)-15a(n-4)+4a(n-5), a(0) = 5, a(1) = 6, a(2) = 6, a(3) = 6, a(4) = 6. G.f.: (5-24x+45x^2-40x^3+15x^4)/(1-6x+15x^2-20x^3+15x^4-4x^5).

MATHEMATICA

CoefficientList[Series[(5-24x+45x^2-40x^3+15x^4)/(1-6x+15x^2-20x^3+15x^4-4x^5), {x, 0, 35}], x]

CROSSREFS

Cf. A074062, A074825.

Sequence in context: A217706 A064864 A004553 * A018246 A101101 A046786

Adjacent sequences:  A074823 A074824 A074825 * A074827 A074828 A074829

KEYWORD

easy,sign

AUTHOR

Mario Catalani (mario.catalani(AT)unito.it), Sep 10 2002

STATUS

approved

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Last modified September 21 13:37 EDT 2019. Contains 327253 sequences. (Running on oeis4.)