The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A064055 Ninth column of quadrinomial coefficients. 2
 3, 31, 155, 546, 1554, 3823, 8451, 17205, 32802, 59268, 102388, 170261, 273975, 428418, 653242, 973998, 1423461, 2043165, 2885169, 4014076, 5509328, 7467801, 10006725, 13266955, 17416620, 22655178, 29217906 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 LINKS FORMULA a(n)= A008287(n+3, 8)= binomial(n+3, 3)*(n^5+46*n^4+875*n^3+7118*n^2+23880*n+20160)/(8!/3!), n >= 0. G.f.: (3+4*x-16*x^2+15*x^3-6*x^4+x^5 )/(1-x)^9, numerator polynomial is N4(8, x) from the array A063421. a(n) = 3*C(n+3,3) + 19*C(n+3,4) + 30*C(n+3,5) + 21*C(n+3,6) + 7*C(n+3,7) + C(n+3,8) (see comment in A071675). - Vladimir Shevelev and Peter J. C. Moses, Jun 22 2012 MATHEMATICA Table[3Binomial[n+3, 3]+19Binomial[n+3, 4]+30Binomial[n+3, 5]+21 Binomial[n+3, 6]+ 7 Binomial[n+3, 7]+ Binomial[n+3, 8], {n, 0, 30}] (* Harvey P. Dale, Apr 30 2022 *) CROSSREFS A001919 (eighth column). Sequence in context: A069615 A087389 A294394 * A227049 A078604 A195603 Adjacent sequences:  A064052 A064053 A064054 * A064056 A064057 A064058 KEYWORD nonn,easy AUTHOR Wolfdieter Lang, Aug 29 2001 STATUS approved

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

Last modified May 16 05:18 EDT 2022. Contains 353693 sequences. (Running on oeis4.)