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 1-2 of 2 results.

A095939 a(n+2) = 5a(n+1) - 3a(n) (n >= 1); a(0) = 1, a(1) = 2, a(2) = 9.

Original entry on oeis.org

1, 2, 9, 39, 168, 723, 3111, 13386, 57597, 247827, 1066344, 4588239, 19742163, 84946098, 365504001, 1572681711, 6766896552, 29116437627, 125281498479, 539058179514, 2319446402133, 9980057472123, 42941948154216
Offset: 0

Views

Author

N. J. A. Sloane, Jul 13 2004

Keywords

Links

Crossrefs

Equals A095934 - A095940. Cf. A052961.

Programs

  • Mathematica
    Join[{1},LinearRecurrence[{5,-3},{2,9},30]] (* Harvey P. Dale, Sep 04 2013 *)

Extensions

Extended by Ray Chandler, Jul 16 2004

A095940 a(n+2) = 5*a(n+1) - 3*a(n) (n >= 1); a(0) = 0, a(1) = 1, a(2) = 4.

Original entry on oeis.org

0, 1, 4, 17, 73, 314, 1351, 5813, 25012, 107621, 463069, 1992482, 8573203, 36888569, 158723236, 682950473, 2938582657, 12644061866, 54404561359, 234090621197, 1007239421908, 4333925245949, 18647907964021, 80237764082258
Offset: 0

Views

Author

N. J. A. Sloane, Jul 13 2004

Keywords

Links

Crossrefs

Cf. A018902; equals A095934 - A095939.

Programs

  • Mathematica
    Join[{0},LinearRecurrence[{5,-3},{1,4},30]] (* Harvey P. Dale, Aug 20 2011 *)

Formula

G.f.: (x-x^2)/(3*x^2-5*x+1). - Harvey P. Dale, Aug 20 2011

Extensions

Extended by Ray Chandler, Jul 16 2004
Showing 1-2 of 2 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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