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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A173244 G.f. (x^10 +x^9 +x^8 +.... +x+1) / (x^10 +x^9 -x^7 -x^6 -x^5 -x^4 -x^3 +x +1). 0
1, 0, 1, 1, 1, 2, 2, 3, 3, 4, 5, 5, 7, 8, 9, 11, 13, 15, 18, 21, 25, 29, 34, 41, 47, 56, 66, 77, 91, 107, 126, 148, 174, 205, 241, 283, 334, 392, 461, 543, 638, 751, 883, 1039, 1222, 1437, 1691, 1989, 2339, 2752, 3237, 3807, 4479, 5268, 6197, 7289, 8574, 10086, 11863 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,6

COMMENTS

Limiting ratio is: a(n+1)/a(n)->1.1762808182599176...

LINKS

Table of n, a(n) for n=0..58.

FORMULA

G.f.: (1-x^11)/(1-x^2-x^3+x^8+x^9-x^11).

MATHEMATICA

p[x_] = Sum[x^i, {i, 0, 10}]/(x^10 + x^9 - x^7 - x^6 - x^5 - x^4 - x^3 + x + 1);;

a = Table[SeriesCoefficient[ Series[p[x], {x, 0, 50}], n], {n, 0, 50}]

CROSSREFS

Cf. A029826

Sequence in context: A264396 A007360 A029144 * A304114 A031234 A030585

Adjacent sequences:  A173241 A173242 A173243 * A173245 A173246 A173247

KEYWORD

nonn

AUTHOR

Roger L. Bagula, Feb 13 2010

EXTENSIONS

Removed unused variables - The Assoc. Editors of the OEIS, Feb 24 2010

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 November 15 10:08 EST 2018. Contains 317233 sequences. (Running on oeis4.)