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A086782 Sum of the degrees of the irreducible representations of the group GL(3,Z_n). 0
1, 28, 468, 1876, 12400, 13104, 100548 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..7.

FORMULA

For a prime p : a(p) = phi(p^3)*(p^3 - 1) = p^2*(p-1)^2*(p^2+p+1)

CROSSREFS

Cf. A086768, A053191.

Sequence in context: A320820 A160060 A115226 * A115225 A223997 A263949

Adjacent sequences:  A086779 A086780 A086781 * A086783 A086784 A086785

KEYWORD

mult,nonn

AUTHOR

Yuval Dekel (dekelyuval(AT)hotmail.com), Aug 03 2003

STATUS

approved

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Last modified November 21 09:56 EST 2019. Contains 329362 sequences. (Running on oeis4.)