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A226621 Irregular array read by rows in which a(n) is the number of primitive '3x+k' cycles associated with A226619(n). 3

%I #4 Jul 04 2013 21:17:08

%S 1,1,1,1,1,1,1,1,1,2,2,1,1,2,1,3,1,1,1,3,1,5,5,2,1,1,3,7,1,2,5,7,3,1,

%T 1,4,8,1,1,14,14,8,4,1,1,3,12,1,6,2,1,1,14,23,20,12,2,1,1,5,15,29,1,1,

%U 1,2,5,5,42,34,25,14,5,1,1,5,16,28,2,9,1,1,1

%N Irregular array read by rows in which a(n) is the number of primitive '3x+k' cycles associated with A226619(n).

%C The terms in row n are associated with cycles of length n (see A226619).

%H Geoffrey H. Morley, <a href="/A226621/b226621.txt">Rows 1..26 of array, flattened</a>

%e The irregular array starts:

%e 1, 1;

%e 1;

%e 1, 1;

%e 1, 1, 1;

%e 1, 2, 2, 1;

%e 1, 2, 1, 3, 1, 1; ...

%Y Cf. A226620.

%K nonn,tabf

%O 1,10

%A _Geoffrey H. Morley_, Jul 02 2013

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Last modified September 9 02:36 EDT 2024. Contains 375759 sequences. (Running on oeis4.)