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.

A275983 Decimal expansion of 2^23209 - 1, the 26th Mersenne prime A000668(26).

Original entry on oeis.org

4, 0, 2, 8, 7, 4, 1, 1, 5, 7, 7, 8, 9, 8, 8, 7, 7, 8, 1, 8, 1, 8, 7, 3, 3, 2, 9, 0, 7, 1, 5, 9, 1, 7, 6, 7, 7, 2, 2, 4, 3, 8, 5, 0, 6, 8, 9, 1, 6, 2, 2, 4, 2, 0, 0, 4, 1, 0, 2, 9, 9, 6, 3, 5, 7, 8, 6, 9, 4, 5, 9, 5, 2, 4, 0, 8, 8, 7, 4, 0, 0, 8, 6, 7, 6, 3, 9, 8, 6, 1, 4, 6, 1, 4, 6, 6, 5, 3, 7, 1, 0, 3, 8, 3, 3
Offset: 6987

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Author

Arkadiusz Wesolowski, Aug 15 2016

Keywords

Examples

			40287411577898877818187332907159176772243850689162242004102996357869459...
		

Crossrefs

Programs

  • Magma
    Reverse(Intseq(2^23209-1))[1..105];
    
  • Mathematica
    First@RealDigits@N[2^23209 - 1, 100] (* G. C. Greubel, Aug 15 2016 *)
  • PARI
    eval(Vec(Str(2^23209-1)))[1..105]

Formula

2^A000043(26) - 1.