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.

A132826 Decimal expansion of the integer Googol!.

Original entry on oeis.org

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

Views

Author

Martin Raab, Nov 18 2007, Dec 11 2007

Keywords

Comments

The number in question has 9956570551809674817234887108108339491770560299419 \ 63334338855462168341353507911292252707750506615682568 digits and ends in exactly 10^101/8 - 18 zeros. - Robert G. Wilson v, Jan 09 2013
The last nonzero term of this sequence is 6. - Washington Bomfim, Dec 24 2010

References

  • Ronald L. Graham, Donald E. Knuth and Oren Patashnik, Concrete Math.; section 4, exercises 40, and 54.

Crossrefs

Programs

  • Mathematica
    f[n_] := 10^FractionalPart[N[(n*Log[n] - n + (1/2)*Log[(2*n + 1/3)*Pi])/Log[10], 203]]; RealDigits[ f[10^100], 10, 101][[1]] (* Robert G. Wilson v, Jan 09 2013 *)

Formula

10^100! = 1*2*3*4*...*(10^100-1)*10^100.