id:A106793 - OEIS Search Results

Search: id:A106793

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Number of words (over an alphabet of size 26) of length n with all different letters.

+0
1

1, 26, 650, 15600, 358800, 7893600, 165765600, 3315312000, 62990928000, 1133836704000, 19275223968000, 308403583488000, 4626053752320000, 64764752532480000, 841941782922240000, 10103301395066880000 (list; graph; listen)

	OFFSET	`0,2`
	FORMULA	`a(n) = 26! / (26 - n)!`
	EXAMPLE	`a(2) = 650 because 26! / 24! = 650`
	CROSSREFS	`Cf. A106710.` `Sequence in context: A160059 A057010 A014913 this_sequence A158542 A097309 A009970` `Adjacent sequences: A106790 A106791 A106792 this_sequence A106794 A106795 A106796`
	KEYWORD	`nonn,fini`
	AUTHOR	`Luca Colucci (lcolucci(AT)caridata.it), May 17 2005`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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