A247056 Number of endofunctions on [n] that are the 9th power of an endofunction.

1, 1, 4, 19, 116, 925, 9286, 110131, 1487144, 22607353, 384379370

Offset: 0

Author

Alois P. Heinz, Sep 10 2014

Keywords

• nonn
• more

Examples

			a(3) = 19: (1,1,1), (1,1,3), (1,2,1), (1,2,2), (1,2,3), (1,3,2), (1,3,3), (2,1,1), (2,1,2), (2,1,3), (2,2,2), (2,2,3), (2,3,2), (3,1,1), (3,2,1), (3,2,3), (3,3,1), (3,3,2), (3,3,3).
		

Crossrefs

Column k=9 of A247026.

Extensions

a(8)-a(10) from Bert Dobbelaere, Jan 25 2019