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.

A032776 Integer quotients n(n+1)(n+2)...(n+6) / (n+(n+1)+(n+2)+...+(n+6)).

Original entry on oeis.org

0, 180, 1152, 4320, 29700, 63360, 123552, 224640, 386100, 633600, 1527552, 2267460, 3283200, 4651200, 6462720, 8825652, 15732000, 20592000, 26640900, 34100352, 43221600, 54288000, 83566080, 102529152, 124945920, 151301700
Offset: 0

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Author

Patrick De Geest, May 15 1998

Keywords

Comments

S(A016873) = (5n+2) gives values n so that above divisions end with digit '2'.

Crossrefs

Programs

  • Mathematica
    f[n_]:=Module[{r=Range[0,6]+n},Times@@r/Total[r]]; Select[f/@Range[0,50], IntegerQ]  (* Harvey P. Dale, Mar 20 2011 *)