A076492 Number of common decimal digits of n! and (n+1)!.

0, 0, 0, 1, 2, 1, 2, 3, 5, 4, 4, 3, 4, 4, 3, 5, 8, 7, 7, 6, 5, 7, 9, 7, 8, 9, 8, 8, 8, 9, 9, 9, 10, 10, 10, 10, 9, 9, 10, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10

Offset

1,5

Links

Diana Mecum, Table of n, a(n) for n = 1..1000

Mathematica

Table[Length[Intersection[IntegerDigits[(n+1)!, InterDigits[n! ]]], {n, 1, 100}]
Length[Intersection[#[[1]], #[[2]]]]&/@Partition[IntegerDigits[ Range[ 90]!], 2, 1] (* Harvey P. Dale, Jun 26 2021 *)

Crossrefs

Cf. A006880, A076489-A076491.

Sequence in context: A059346 A259439 A274491 * A127462 A106436 A363226

Adjacent sequences: A076489 A076490 A076491 * A076493 A076494 A076495

Keyword

base,nonn

Author

Labos Elemer, Oct 21 2002

Extensions

More terms from Diana L. Mecum, Jun 17 2007

Status

approved