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A226608
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Irregular array read by rows. a(n) is the largest element in the primitive Collatz-like 3x+k cycle associated with A226607(n).
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8
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1, 1, 49, 37, 2773, 3397, 11, 7, 79, 1, 1853, 1121, 797, 665, 905, 653, 761, 557, 5, 181, 35, 19, 11, 1651, 137, 41, 1, 121, 2277097, 1051393, 131, 127, 79, 89, 53, 65, 157, 23, 43, 643, 331, 223, 211, 259, 175, 1409, 757, 71, 19, 827, 139, 1399, 775, 751, 967, 559, 571
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OFFSET
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1,3
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LINKS
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EXAMPLE
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The irregular array starts:
(k=1) 1;
(k=5) 1, 49, 37, 2772, 3397;
(k=7) 11;
(k=11) 7, 79;
a(3)=49 is the largest element in the 3x+5 cycle {19,31,49,76,38} associated with A226607(3)=19.
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CROSSREFS
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The cycle associated with a(n) has length A226609(n) and A226610(n) odd elements.
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KEYWORD
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nonn,tabf
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AUTHOR
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STATUS
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approved
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