cp's OEIS Frontend

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.

A178538 Records in A169819.

Original entry on oeis.org

1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 16, 17, 20, 23, 25, 26, 29, 32, 33, 37, 38, 43, 47, 49, 54, 58, 59, 66, 68, 71, 73, 76, 80, 88, 93, 96, 103, 104, 105, 106, 112, 113, 117, 126, 129, 130, 143, 147, 151, 161, 171, 176, 187, 192, 200, 205, 216
Offset: 1

Views

Author

Zak Seidov, May 29 2010

Keywords

Crossrefs

Programs

  • Mathematica
    mx=0;s={};Do[id=IntegerDigits[n];FLA=Flatten[Table[Partition[id,k,1],
    {k,Length[id]}],1];fd=Union[FromDigits/@FLA];
    dv=Length[Union[Flatten[Divisors/@fd]]];If[dv>mx,mx=dv;AppendTo[s2,{mx,n}]],
    {n,200000}]; A178538 =First/@s