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.

A046525 Numbers common to A033950 and A034884.

Original entry on oeis.org

2, 8, 12, 18, 24, 36, 40, 56, 60, 72, 80, 84, 96, 108, 132, 180, 240, 252, 288, 360, 480, 504, 720, 1260
Offset: 1

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  • Mathematica
    Select[Range[1265], Mod[#, x = DivisorSigma[0, #]] == 0 && # < x^2 &] (* Jayanta Basu, Jun 27 2013 *)