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A051761 Numbers that are simultaneously a sum of factorials of distinct integers and of the form a^b with b >= 2. 7

%I #15 Mar 08 2024 16:48:35

%S 0,1,4,8,9,25,27,32,121,128,144,729,841,5041,5184,45369,46225,363609,

%T 403225,3674889,1401602635449

%N Numbers that are simultaneously a sum of factorials of distinct integers and of the form a^b with b >= 2.

%C 0! and 1! are treated as distinct.

%e 4 is in the sequence since 2! + 1! + 0! = 4 = 2^2.

%Y Cf. A025494, A051760, A059589.

%K nonn,more

%O 1,3

%A Paul.Jobling(AT)WhiteCross.com, Aug 10 2000

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Last modified April 25 07:07 EDT 2024. Contains 371964 sequences. (Running on oeis4.)