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A246578 G.f.: (Product_{r>=1} (1 - x^r))*x^(k^2)/Product_{i=1..k} ((1-x^i)^2) with k=4. 4
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 3, 5, 5, 7, 7, 8, 6, 5, 1, -2, -9, -15, -23, -30, -39, -46, -52, -56, -58, -57, -51, -43, -29, -13, 10, 33, 63, 90, 124, 152, 184, 207, 233, 245, 258, 255, 250, 227, 202, 157, 110, 45, -22, -104, -185, -278, -366 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,19

REFERENCES

Fulman, Jason. Random matrix theory over finite fields. Bull. Amer. Math. Soc. (N.S.) 39 (2002), no. 1, 51--85. MR1864086 (2002i:60012). See top of page 70.

LINKS

Table of n, a(n) for n=0..65.

MAPLE

fGL:=proc(k) local a, i, r;

a:=x^(k^2)/mul((1-x^i)^2, i=1..k);

a:=a*mul(1-x^r, r=1..101);

series(a, x, 101);

seriestolist(%);

end; fGL(4);

CROSSREFS

k=0 gives A010815. Cf. A246575-A246578.

Sequence in context: A267259 A002334 A115732 * A048947 A222312 A298676

Adjacent sequences:  A246575 A246576 A246577 * A246579 A246580 A246581

KEYWORD

sign

AUTHOR

N. J. A. Sloane, Aug 31 2014

STATUS

approved

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Last modified February 17 12:14 EST 2020. Contains 331996 sequences. (Running on oeis4.)