A064589 a(n) = (3^n)^12*((3^n)^2-1)*((3^n)^6-1)*((3^n)^8 + (3^n)^4+1).

0, 20560831566912, 516964372056378442547769600, 11956114445971661401099296184508431605312, 273851005776907730108506759943856347388139032312038400, 6265681372313720167898405893509877518011107887382728536431560616512, 143340850075580010296064183230154857254937938924609871657560727417529084492806400

Offset

0,2

References

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

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.

Links

Harry J. Smith, Table of n, a(n) for n = 0..40

Prog

(PARI) { for (n=0, 40, p=(3^n)^2; a=p^6*(p - 1)*(p^3 - 1)*(p^4 + p^2 + 1); write("b064589.txt", n, " ", a) ) } \\ Harry J. Smith, Sep 19 2009

Crossrefs

Cf. A037253, A064587, A064588.

Sequence in context: A288277 A297449 A321137 * A086644 A217797 A255359

Adjacent sequences: A064586 A064587 A064588 * A064590 A064591 A064592

Keyword

nonn,easy

Author

N. J. A. Sloane, Oct 17 2001

Status

approved