A202625 Order of Fibonacci group F(n,3) (or 0 if the group is infinite).

0, 8, 2, 63, 0, 5, 342, 0, 8, 999, 0, 11, 2196, 0, 14, 4095, 0, 17, 6858, 0, 20, 10647, 0, 23, 15624, 0, 26, 21951, 0, 29, 29790, 0, 32, 39303, 0, 35, 50652, 0, 38, 63999, 0, 41, 79506, 0, 44, 97335, 0, 47, 117648, 0, 50, 140607, 0, 53, 166374, 0, 56, 195111, 0, 59, 226980, 0, 62, 262143, 0, 65, 300762, 0, 68, 342999, 0, 71, 389016, 0, 74, 438975, 0

Offset

1,2

Comments

A column of the array described in A202624. See that entry for references.

Links

Table of n, a(n) for n=1..77.

Maple

f:=n-> if n mod 3 = 0 then n-1 elif n mod 3 = 1 then n^3-1 else 0 fi; # Gives all values correctly except that a(2) should be 8.

Crossrefs

Cf. A202624.

Sequence in context: A303635 A179315 A096041 * A038280 A260039 A032761

Adjacent sequences: A202622 A202623 A202624 * A202626 A202627 A202628

Keyword

nonn

Author

N. J. A. Sloane, Dec 30 2011

Status

approved