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A210631
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G.f. for Ehrhart quasi-polynomials for hyperplane arrangements of type F_4.
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1
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 3, 4, 8, 10, 17, 21, 32, 39, 55, 66, 89, 105, 136, 159, 200, 231, 284, 325, 392, 445, 528, 595, 697, 780, 903, 1005, 1152, 1275, 1449, 1596, 1800, 1974, 2211, 2415, 2689, 2926, 3240, 3514, 3872, 4186, 4592, 4950, 5408, 5814, 6328, 6786, 7361, 7875, 8515, 9090, 9800, 10440
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OFFSET
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0,15
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REFERENCES
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Blass, Andreas; Sagan, Bruce E. Characteristic and Ehrhart polynomials. J. Algebraic Combin. 7 (1998), no. 2, 115--126. MR1609889 (99c:05204)
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LINKS
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Table of n, a(n) for n=0..65.
Index to sequences with linear recurrences with constant coefficients, signature (1,2,-1,-1,-2,0,2,1,1,-2,-1,1).
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FORMULA
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G.f. = x^12*f(1)*f(2)^2*f(3)*f(4) where f(k)=1/(1-x^k).
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CROSSREFS
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Similar to A115264 but has different offset.
Sequence in context: A005232 A165272 A115264 * A212543 A147617 A210249
Adjacent sequences: A210628 A210629 A210630 * A210632 A210633 A210634
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KEYWORD
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nonn,easy
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AUTHOR
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N. J. A. Sloane, Mar 25 2012
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STATUS
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approved
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