

A104643


Number of arrangements that can be formed by taking n distinct things out of 25.


1



1, 25, 600, 13800, 303600, 6375600, 127512000, 2422728000, 43609104000, 741354768000, 11861676288000, 177925144320000, 2490952020480000, 32382376266240000, 388588515194880000, 4274473667143680000, 42744736671436800000, 384702630042931200000, 3077621040343449600000
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OFFSET

0,2


LINKS



FORMULA

a(n) = 25! / (25  n)!.


EXAMPLE

a(3) = 25! / (25  3)! = 13800.


MATHEMATICA

Table[n!*Binomial[25, n], {n, 0, 25}] (* G. C. Greubel, Sep 01 2018 *)


PROG

(Magma) [Factorial(n)*Binomial(25, n): n in [0..25]] // G. C. Greubel, Sep 01 2018


CROSSREFS



KEYWORD

nonn,fini


AUTHOR

Prashant Garg (prashant.garg1988(AT)yahoo.com), Feb 04 2008


STATUS

approved



