A085646 - OEIS

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A085646

Sum of the entries in the character table of the group GL(2,Z_n).

1, 5, 24, 52, 120, 120, 336, 496, 654, 600, 1320, 1248, 2184, 1680, 2880 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`1,2`
	LINKS	`Table of n, a(n) for n=1..15.`
	FORMULA	`For an odd prime p : a(p) = p*(p^2-1).`
	CROSSREFS	`Cf. A000252, A062354, A053191.` `Sequence in context: A006145 A219509 A202326 * A121546 A135703 A205669` `Adjacent sequences: A085643 A085644 A085645 * A085647 A085648 A085649`
	KEYWORD	`mult,nonn`
	AUTHOR	`Yuval Dekel (dekelyuval(AT)hotmail.com), Jul 11 2003`
	STATUS	`approved`

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Last modified June 20 01:41 EDT 2013. Contains 226416 sequences.