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%I #13 Feb 29 2020 18:51:26
%S 1,0,0,6726,51490,522538,2819011,15598126,66776089,278409356,
%T 1012789015,3553473100,11459870045,35680739958,104848228086,
%U 298518570528,814386983257,2161013972842,5546772124012,13896849891232,33892153400144,80925183641844,188938349276850
%N Character of extremal vertex operator algebra of rank 19.
%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 = 19. - _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
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