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.

A071064 Numbers divisible by the sum of factorials of their digits [A061602(n)] and also terminate in the sum of factorials of their digits.

Original entry on oeis.org

1, 2, 145, 2125, 2310, 3210, 10125, 10234, 10310, 11125, 11310, 12312, 13010, 13110, 13211, 13212, 21312, 23111, 23112, 30010, 30110, 31010, 31110, 31212, 32112, 40585, 52130, 111312, 113112, 131112, 133240, 135250, 153250, 200213
Offset: 1

Views

Author

Jason Earls, May 26 2002

Keywords

Examples

			a(8)=10234: 1!+0!+2!+3!+4! = 34 and 10234/34 = 301.
		

Crossrefs

Cf. A061602.

Programs

  • Mathematica
    dsfQ[n_]:=Module[{f=Total[IntegerDigits[n]!]},Divisible[n,f]&&Mod[ n,10^IntegerLength[f]]==f]; Select[Range[201000],dsfQ] (* Harvey P. Dale, Jul 05 2019 *)