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a(n) is the cycle length corresponding to A115641(n).
3

%I #2 Mar 30 2012 17:27:48

%S 4,11,3,5,16,18,66,2,24,2,3,2,54,165,2,9,5,11,2,44,7,16,2,40,12,5,918,

%T 3,8,69,3,5,2,5,2,2,3,24,261,6,2,5,2,4,2,23,6,3,2,38,31,4,3,64,12,5,9,

%U 3,6,36,4,2,754,3,2,9,4,7,44,2,2,172,258,9,9,28,9,2,14,2,3,75,2,3,2,2,6,103

%N a(n) is the cycle length corresponding to A115641(n).

%C Cycle lengths without repetition are given in A115643.

%e A115641(4) = 52 belongs to the 5-cycle (52,57,62,69,68), so a(4) = 5.

%Y Cf. A113821, A115641, A115643.

%K nonn

%O 1,1

%A _Klaus Brockhaus_, Jan 29 2006