This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A210634 G.f. for Ehrhart quasi-polynomials for hyperplane arrangements of type E_6. 1
 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 3, 9, 20, 42, 78, 139, 231, 372, 573, 861, 1254, 1791, 2499, 3432, 4629, 6162, 8085, 10492, 13455, 17094, 21503, 26832, 33201, 40795, 49764, 60333, 72687, 87096, 103785, 123075, 145236, 170646, 199626, 232617, 269997, 312277, 359898, 413448, 473438, 540540, 615342, 698608 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,14 REFERENCES Blass, Andreas; Sagan, Bruce E. Characteristic and Ehrhart polynomials. J. Algebraic Combin. 7 (1998), no. 2, 115--126. MR1609889 (99c:05204) LINKS Index to sequences with linear recurrences with constant coefficients, signature (3,0,-7,3,6,0,-6,-3,7,0,-3,1). FORMULA G.f. = x^12*f(1)^3*f(2)^3*f(3) where f(k)=1/(1-x^k). CROSSREFS A164680 is similar but has a different offset. Sequence in context: A145070 A011796 A164680 * A176163 A203861 A073801 Adjacent sequences:  A210631 A210632 A210633 * A210635 A210636 A210637 KEYWORD nonn,easy AUTHOR N. J. A. Sloane, Mar 25 2012 STATUS approved

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 .