OFFSET
0,1
LINKS
T. D. Noe, Table of n, a(n) for n = 0..1000
Index entries for linear recurrences with constant coefficients, signature (11,-55,165,-330,462,-462,330,-165,55,-11,1).
FORMULA
G.f.: -(80*x^9 +7205*x^8 +61625*x^7 +213873*x^6 +217437*x^5 +93855*x^4 +8635*x^3 +2395*x^2 -353*x +48) / (x -1)^11. - Colin Barker, Aug 08 2013
a(0)=48, a(1)=175, a(2)=1680, a(3)=25410, a(4)=294000, a(5)=2295513, a(6)=12991440, a(7)=57550100, a(8)=211281840, a(9)=669529875, a(10)=1885734928, a(n)=11*a(n-1)- 55*a(n-2)+165*a(n-3)-330*a(n-4)+462*a(n-5)-462*a(n-6)+330*a(n-7)- 165*a(n-8)+ 55*a(n-9)- 11*a(n-10)+a(n-11). - Harvey P. Dale, Mar 23 2015
MATHEMATICA
Table[((n+1)(n^2+2)(n^3+6)(n^4+24))/6, {n, 0, 30}] (* or *) LinearRecurrence[ {11, -55, 165, -330, 462, -462, 330, -165, 55, -11, 1}, {48, 175, 1680, 25410, 294000, 2295513, 12991440, 57550100, 211281840, 669529875, 1885734928}, 30] (* Harvey P. Dale, Mar 23 2015 *)
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Alexander R. Povolotsky, Aug 29 2007
STATUS
approved