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

Author

N. J. A. Sloane, Dec 30 2011

Keywords

• nonn

Comments

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

Crossrefs

Cf. A202624.

Programs

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.