

A133319


Dimensions of certain Lie algebra (see reference for precise definition).


0



1, 99, 3927, 89661, 1387386, 15991118, 146005860, 1102439052, 7104607224, 40026446824, 200870048808, 911470725816, 3785393728644, 14533745396940, 52021580746190, 174825979846650, 554970843001575, 1672767047791125, 4809070448807625, 13239084661963875
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OFFSET

0,2


REFERENCES

J. M. Landsberg and L. Manivel, The sextonions and E7 1/2, Adv. Math. 201 (2006), 143179. [Th. 7.2(i), case a=6]


LINKS



MAPLE

b:=binomial; t72a:= proc(a, k) ((2*a+2*k+1)/(2*a+1)) * b(k+3*a/21, k)*b(k+3*a/2+1, k)*b(k+2*a, k)/(b(k+a/21, k)*b(k+a/2+1, k)); end; [seq(t72a(6, k), k=0..40)];


CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



