A005921 From solution to a difference equation. (Formerly M2871)

1, 3, 10, 48, 312, 2520, 24480, 277200, 3588480, 52254720, 845510400, 15048633600, 292190976000, 6146069529600, 139223731046400, 3379030566912000, 87478184521728000, 2406225451069440000, 70080382582898688000

Offset

0,2

References

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

Table of n, a(n) for n=0..18.

P. R. J. Asveld & N. J. A. Sloane, Correspondence, 1987

P. R. J. Asveld, Another family of Fibonacci-like sequences, Fib. Quart., 25 (1987), 361-364.

Formula

For n >= 1, a(n) = Fibonacci(n+3)*n!. - David W. Wilson, May 15 1997

Crossrefs

Cf. A000045, A000142.

Sequence in context: A368553 A220362 A121950 * A193281 A367754 A143921

Adjacent sequences: A005918 A005919 A005920 * A005922 A005923 A005924

Keyword

nonn,easy

Author

N. J. A. Sloane.

Extensions

More terms from David W. Wilson, May 15 1997

Status

approved