A028546 - OEIS

%I #10 Feb 29 2020 18:22:59

%S 1,0,0,5986,70930,684823,4554895,25784285,124544429,541577200,

%T 2142536303,7874214410,27111618590,88375985276,274361915435,

%U 816223635550,2336827590285,6464455999320,17332496822417,45169505417075,114679191847782,284240995638700,689000215557685

%N Character of extremal vertex operator algebra of rank 41/2.

%D G. Höhn, Selbstduale Vertexoperatorsuperalgebren und das Babymonster, Bonner Mathematische Schriften, Vol. 286 (1996), 1-85.

%H G. Höhn (gerald(AT)math.ksu.edu), Selbstduale Vertexoperatorsuperalgebren und das Babymonster, Doctoral Dissertation, Univ. Bonn, Jul 15 1995 (<a href="http://www.math.ksu.edu/~gerald/papers/dr.pdf">pdf</a>, <a href="http://www.math.ksu.edu/~gerald/papers/dr.ps.gz">ps</a>).

%F G.f.: x^(2*r/24) * (B(x)^(2*r) - 2*r*B(x)^(2*r-24) - r*(47-2*r)*B(x)^(2*r-48) where B(x) = x^(-1/24) * Product_{k>=0} (1+x^(2*k+1)) = x^(-1/24) * A000700 and r = 41/2. - _Sean A. Irvine_, Feb 29 2020

%Y Cf. A000700.

%K nonn,easy

%O 0,4

%A _N. J. A. Sloane_.

%E More terms from _Sean A. Irvine_, Feb 29 2020