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 A133241 Dimensions of certain Lie algebra (see reference for precise definition). 1
 1, 190, 15504, 749360, 24732110, 605537790, 11619550320, 181746027600, 2386644625950, 26923893369075, 265762390788000, 2330056309932000, 18372187417457250, 131651129456894250, 865026329992488000, 5251754282090616000, 29657709797595709500, 156694210053607278000 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 REFERENCES J. M. Landsberg and L. Manivel, The sextonions and E7 1/2, Adv. Math. 201 (2006), 143-179. [Th. 7.1, case a=6] LINKS MAPLE b:=binomial; t71:= proc(a, k) ((3*a+2*k+5)/(3*a+5)) * b(k+2*a+3, k)*b(k+5*a/2+3, k)*b(k+3*a+4, k)/(b(k+a/2+1, k)*b(k+a+1, k)); end; [seq(t71(6, k), k=0..30)]; CROSSREFS Sequence in context: A223462 A184192 A263523 * A229903 A221386 A217225 Adjacent sequences: A133238 A133239 A133240 * A133242 A133243 A133244 KEYWORD nonn AUTHOR N. J. A. Sloane, Oct 15 2007 STATUS approved

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Last modified December 5 02:30 EST 2022. Contains 358572 sequences. (Running on oeis4.)