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A064588 a(n) = (2^n)^12*((2^n)^2-1)*((2^n)^6-1)*((2^n)^8 + (2^n)^4+1). 4

%I #9 Jun 21 2018 02:00:15

%S 0,211341312,67802350642790400,19045158721552047314829312,

%T 5172093060532095860985478879641600,

%U 1392436772074860374668712252110467615424512,374053097594236786223942368917529841587940071833600,100427498158122178683906767552010902133066063134008553766912,26959535297288219669523507545964171915704566051174598345329370726400

%N a(n) = (2^n)^12*((2^n)^2-1)*((2^n)^6-1)*((2^n)^8 + (2^n)^4+1).

%D R. W. Carter, Simple Groups of Lie Type, Wiley 1972, Chap. 14.

%D J. H. Conway, R. T. Curtis, S. P. Norton, R. A. Parker and R. A. Wilson, ATLAS of Finite Groups. Oxford Univ. Press, 1985, p. xvi.

%H Harry J. Smith, <a href="/A064588/b064588.txt">Table of n, a(n) for n = 0..50</a>

%o (PARI) { for (n=0, 50, p=(2^n)^2; a=p^6*(p - 1)*(p^3 - 1)*(p^4 + p^2 + 1); write("b064588.txt", n, " ", a) ) } \\ _Harry J. Smith_, Sep 19 2009

%Y Cf. A037253, A064587, A064589.

%K nonn,easy

%O 0,2

%A _N. J. A. Sloane_, Oct 17 2001

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Last modified April 23 12:27 EDT 2024. Contains 371912 sequences. (Running on oeis4.)