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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A007829 From random walks on complete directed triangle. 1
0, 0, 0, 0, 0, 6, 8, 28, 44, 100, 162, 318, 514, 942, 1518, 2672, 4302, 7380, 11882, 20040, 32276, 53810, 86710, 143396, 231204, 380152, 613286, 1004188, 1620864, 2645928, 4272744 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,6

LINKS

Sean A. Irvine, Table of n, a(n) for n = 0..500

E. Bussian, Email to N. J. A. Sloane, Oct. 1994

FORMULA

Conjectures from Colin Barker, Feb 03 2018: (Start)

G.f.: 2*x^5*(3 - 2*x - 3*x^2) / ((1 - x)*(1 - x - x^2)*(1 - 2*x^2)*(1 - x^2 - x^3)).

a(n) = 2*a(n-1) + 3*a(n-2) - 6*a(n-3) - 4*a(n-4) + 5*a(n-5) + 5*a(n-6) - 2*a(n-7) - 2*a(n-8) for n>7.

(End)

CROSSREFS

Sequence in context: A267477 A237290 A229335 * A000773 A258283 A039720

Adjacent sequences:  A007826 A007827 A007828 * A007830 A007831 A007832

KEYWORD

nonn,walk

AUTHOR

Eric Bussian [ ebussian(AT)math.gatech.edu ]

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
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 20 02:34 EST 2019. Contains 329323 sequences. (Running on oeis4.)