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A140892 a(n) = (n-1)^F(n) - F(n)^(n-1), where F(n) = A000045(n). 0

%I

%S 0,0,0,0,399,357857,1286604292,558545862282195466,

%T 5070602400912917604201018916608,

%U 30432527221704537086371993251530170527181380482652674,99999999999999999999999999999999999999999999999999999999999999999999968818280070033816399

%N a(n) = (n-1)^F(n) - F(n)^(n-1), where F(n) = A000045(n).

%F a(n) = (n-1)^A000045(n) - A000045(n)^(n-1). - _Jonathan Vos Post_, Jul 12 2008

%e a(1) = (1-1)^F(1) - F(1)^(1-1) = 0^1 - 1^0 = 0 - 0 = 0;

%e a(4) = (4-1)^F(4) - F(4)^(4-1) = 3^3 - 3^3 = 27 - 27 = 0;

%e a(5) = (5-1)^F(5) - F(5)^(5-1) = 4^5 - 5^4 = 1024 - 625 = 399.

%Y Cf. A000045, A007965.

%K nonn,less

%O 1,5

%A _Juri-Stepan Gerasimov_, Jul 07 2008

%E More terms from _Jonathan Vos Post_, Jul 12 2008

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Last modified October 21 02:00 EDT 2021. Contains 348139 sequences. (Running on oeis4.)