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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A064305 Ninth diagonal of triangle A064094. 1
1, 1430, 95235, 1338790, 9137549, 41260086, 142648495, 409186310, 1022586105, 2298558934, 4750427771, 9170347110, 16730290885, 29104970870, 48618847719, 78419396806, 122678791025, 186826162710 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

FORMULA

a(n)= 1+7*n+27*n^2+75*n^3+165*n^4+297*n^5+429*n^6+429*n^7. Eighth row polynomial (n=7) of Catalan triangle A009766.

G.f.: (1+1422*x+83823*x^2+616894*x^3+1013799*x^4+412698*x^5+33337*x^6+186*x^7)/(1-x)^8.

CROSSREFS

A064304 (eighth diagonal).

Sequence in context: A094230 A060364 A124087 * A147695 A151996 A205070

Adjacent sequences:  A064302 A064303 A064304 * A064306 A064307 A064308

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Sep 13 2001

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

Content is available under The OEIS End-User License Agreement .

Last modified February 17 18:01 EST 2012. Contains 206061 sequences.