A028685 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 60th year, we have over 367,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

A028685

Galois numbers for p=23; order of group AGL(n,23).

1, 506, 141331872, 20920469730667584, 1638296742744745305180456960, 67868907839960050279986415163868117749760, 1487321615877089920298398794877451264100990832314711736320 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,2`
	LINKS	`Vincenzo Librandi, Table of n, a(n) for n = 0..26`
	FORMULA	`a(n) = p^n * product(p^n - p^k, k=0..n-1).`
	MATHEMATICA	`FoldList[ #1*23^#2 (23^#2-1)&, 1, Range[ 20 ] ]`
	CROSSREFS	`Sequence in context: A204946 A023913 A035848 * A152524 A236004 A024019` `Adjacent sequences: A028682 A028683 A028684 * A028686 A028687 A028688`
	KEYWORD	`nonn`
	AUTHOR	`Olivier Gérard`
	STATUS	`approved`

License Agreements, Terms of Use, Privacy Policy. .

Last modified December 8 16:32 EST 2023. Contains 367680 sequences. (Running on oeis4.)