This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A076492 #16 Jun 03 2025 05:24:37 %S A076492 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, %T A076492 10,10,10,9,9,10,9,9,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10, %U A076492 10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10 %N A076492 Number of common decimal digits of n! and (n+1)!. %H A076492 Diana Mecum, <a href="/A076492/b076492.txt">Table of n, a(n) for n = 1..1000</a> %t A076492 Table[Length[Intersection[IntegerDigits[(n+1)!], IntegerDigits[n!]]], {n, 1, 100}] %t A076492 Length[Intersection[#[[1]],#[[2]]]]&/@Partition[IntegerDigits[ Range[ 90]!],2,1] (* _Harvey P. Dale_, Jun 26 2021 *) %Y A076492 Cf. A006880, A076489, A076490, A076491. %K A076492 base,nonn %O A076492 1,5 %A A076492 _Labos Elemer_, Oct 21 2002 %E A076492 More terms from _Diana L. Mecum_, Jun 17 2007