

A226624


Irregular array read by rows. a(n) is the largest element in the primitive Collatzlike 3xk cycle associated with A226623(n).


8



1, 7, 91, 29, 179, 143, 505, 17033, 16793, 15497, 31613, 19589, 25781, 15845, 12137, 2011, 311, 517, 103, 19031, 24623, 8339, 811, 2609, 7387, 2995, 18275, 601, 493, 421, 1577, 74611, 13699, 1793597, 275693, 177521, 226769, 144881
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OFFSET

1,2


LINKS



EXAMPLE

The irregular array starts:
(k=1) 1, 7, 91;
(k=11) 29;
(k=17) 179, 143;
(k=19) 505;
a(4)=29 is the largest element in the 3x11 cycle {19,23,29,38} associated with A226623(4)=19.


CROSSREFS

The cycle associated with a(n) has length A226625(n) and A226626(n) odd elements.


KEYWORD

nonn,tabf


AUTHOR



STATUS

approved



