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 A037250 a(n) = n^2*(n^2 + 1)*(n-1). 3
 0, 0, 20, 180, 816, 2600, 6660, 14700, 29120, 53136, 90900, 147620, 229680, 344760, 501956, 711900, 986880, 1340960, 1790100, 2352276, 3047600, 3898440, 4929540, 6168140, 7644096, 9390000, 11441300 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 COMMENTS Conjecture: satisfies a linear recurrence having signature (6, -15, 20, -15, 6, -1). - Harvey P. Dale, Jul 27 2019 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 Vincenzo Librandi, Table of n, a(n) for n = 0..10000 MATHEMATICA Table[n^2 (n^2+1)(n-1), {n, 0, 30}] (* Harvey P. Dale, Jul 27 2019 *) PROG (MAGMA) [n^2*(n^2+1)*(n-1): n in [0..30]]; // Vincenzo Librandi, Sep 14 2011 CROSSREFS Cf. A064487, A064583. Sequence in context: A027332 A159538 A091983 * A000144 A219581 A177073 Adjacent sequences:  A037247 A037248 A037249 * A037251 A037252 A037253 KEYWORD nonn,easy AUTHOR STATUS approved

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Last modified October 22 04:25 EDT 2019. Contains 328315 sequences. (Running on oeis4.)