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.

Showing 1-3 of 3 results.

A055972 Continued fraction for the number 1 + 1/(e + 1/(e^2 + 1/(e^3 + 1/(e^4 +...)))).

Original entry on oeis.org

1, 2, 1, 5, 1, 3, 1, 2, 1, 57, 1, 5, 3, 1, 2847, 7, 1, 1, 3, 4, 4, 8, 1, 1, 48, 1, 1, 2, 1, 2, 81, 1, 2, 3, 12, 1, 1, 1, 5, 1, 3, 1, 6, 1, 5, 3, 2, 1, 2, 1, 3, 1, 2, 1, 1, 5, 6, 96, 1, 1, 1, 1, 1, 3, 1, 19
Offset: 0

Views

Author

Leroy Quet, Jul 19 2000

Keywords

Examples

			1.3505436043221124180470983246597483686...
1.350543604322112418047098324... = 1 + 1/(2 + 1/(1 + 1/(5 + 1/(1 + ...)))). - _Harry J. Smith_, May 03 2009
		

Crossrefs

Cf. A100609 Decimal expansion. - Harry J. Smith, May 03 2009

Programs

  • PARI
    f(n)= { x=0; for (i=1, n, x=1/(exp(1+n-i) + x)); 1+x } { allocatemem(932245000); default(realprecision, 2100); y=1.0; n=70; x=f(n); while(x!=y, y=x; n=n+1; x=f(n);); c=contfrac(x); for (n=1, 2001, write("b055972.txt", n-1, " ", c[n])); } \\ Harry J. Smith, May 03 2009

A180660 Decimal expansion of the constant whose continued fraction representation is [Phi^0; Phi^1, Phi^2, Phi^3, Phi^4, ...] where Phi is the golden ratio (A001622) and the exponents cycle through all nonnegative integers.

Original entry on oeis.org

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

Views

Author

Jonathan D. B. Hodgson, Sep 15 2010

Keywords

Examples

			1.50777857...
		

Crossrefs

Extensions

More digits from R. J. Mathar, Sep 19 2010

A180661 Decimal expansion of the constant whose continued fraction representation is [Pi^0; Pi^1, Pi^2, Pi^3, Pi^4, ...] where Pi is the ratio of a circle's circumference to its diameter (A000796) and the exponents cycle through all nonnegative integers.

Original entry on oeis.org

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

Views

Author

Jonathan D. B. Hodgson, Sep 15 2010

Keywords

Examples

			1.30839602...
		

Crossrefs

Extensions

More digits from R. J. Mathar, Sep 19 2010
Showing 1-3 of 3 results.