StevenXClontz’s avatarStevenXClontz’s Twitter Archive—№ 6,260

  1. …in reply to @aacooper
    @aacooper @ZachWeiner Obviously this is the sequence f_a(n) = (n-1)(n-2)(n-3)(n-4)/24 + … + 16n(n-1)(n-2)(n-3)/24 + an(n-1)(n-2)(n-3)(n-4)/120 for your favorite number a.
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