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A226608 Irregular array read by rows. a(n) is the largest element in the primitive Collatz-like 3x+k cycle associated with A226607(n).

%I A226608 #11 Jun 19 2013 13:48:55
%S A226608 1,1,49,37,2773,3397,11,7,79,1,1853,1121,797,665,905,653,761,557,5,
%T A226608 181,35,19,11,1651,137,41,1,121,2277097,1051393,131,127,79,89,53,65,
%U A226608 157,23,43,643,331,223,211,259,175,1409,757,71,19,827,139,1399,775,751,967,559,571
%N A226608 Irregular array read by rows. a(n) is the largest element in the primitive Collatz-like 3x+k cycle associated with A226607(n).
%H A226608 Geoffrey H. Morley, <a href="/A226608/b226608.txt">Rows 1..2032 of array, flattened</a>
%e A226608 The irregular array starts:
%e A226608 (k=1)  1;
%e A226608 (k=5)  1, 49, 37, 2772, 3397;
%e A226608 (k=7)  11;
%e A226608 (k=11) 7, 79;
%e A226608 a(3)=49 is the largest element in the 3x+5 cycle {19,31,49,76,38} associated with A226607(3)=19.
%Y A226608 Row n begins with a(A226612(n)) and has length A226613(n).
%Y A226608 The cycle associated with a(n) has length A226609(n) and A226610(n) odd elements.
%Y A226608 Cf. A226611, A226624, A226667-A226669.
%K A226608 nonn,tabf
%O A226608 1,3
%A A226608 _Geoffrey H. Morley_, Jun 13 2013