A137577 Largest of the least frequent digits in decimal representation of n!.

9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 8, 9, 6, 9, 6, 1, 9, 9, 5, 8, 9, 9, 5, 7, 7, 9, 9, 2, 7, 9, 4, 7, 8, 8, 6, 8, 8, 6, 6, 9, 7, 9, 9, 8, 7, 7, 9, 9, 9, 9, 9, 1, 6, 8, 2, 7, 7, 5, 5, 1, 4, 5, 7, 1, 5, 7, 6, 6, 3, 9, 5, 9, 6, 3, 1, 5, 9, 4, 9, 8, 5, 8, 5, 8, 8, 6, 7, 4, 3, 3, 9, 9, 9, 1, 2, 5, 1, 7, 7

Offset

0,1

Comments

A137578(n) <= a(n).

Links

Table of n, a(n) for n=0..100.

Index entries for sequences related to factorial numbers.

Example

n=10: 10! = 3628800 => a(10) = Max{1,4,5,7,9} = 9;
n=11: 11! = 39916800 => a(11) = Max{2,4,5,7} = 7.

Crossrefs

Cf. A000142, A027869, A079680, A079714, A079684, A079688, A079690, A079691, A079692, A079693, A079694, A137579, A137580.

Sequence in context: A259151 A270172 A332550 * A363118 A363019 A363081

Adjacent sequences: A137574 A137575 A137576 * A137578 A137579 A137580

Keyword

nonn,base

Author

Reinhard Zumkeller, Jan 27 2008

Status

approved