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

0, 1, 4, 8, 9, 25, 27, 32, 121, 128, 144, 729, 841, 5041, 5184, 45369, 46225, 363609, 403225, 3674889, 1401602635449

Offset: 1

Author

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

Keywords

• nonn
• more

Comments

0! and 1! are treated as distinct.

Examples

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

Crossrefs

Cf. A025494, A051760, A059589.