A118167 Minimum values of abs(x^x-n!) for given n.

0, 0, 1, 2, 3, 93, 464, 1915, 6336, 316224, 2805257, 23139584, 91581111, 3772979200, 77178291200, 1022362697389, 12006689439744, 52812321503747, 4709633119830016, 110533093583273984, 1995008117795780625

Offset

0,4

Links

Table of n, a(n) for n=0..20.

Example

3! = 6, the closest x^x can get to 6 is 2^2, so a(3) = 3! - 2^2 = 2

Crossrefs

Cf. A118168, A118169.

Sequence in context: A356796 A356786 A002983 * A291932 A247652 A132499

Adjacent sequences: A118164 A118165 A118166 * A118168 A118169 A118170

Keyword

easy,nonn

Author

Olaf Voß, Apr 13 2006

Status

approved