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

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

Offset: 1

Author

Geoffrey H. Morley, Jun 13 2013

Keywords

• nonn
• tabf

Examples

			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.
		

Links

• Geoffrey H. Morley, Rows 1..2032 of array, flattened

Crossrefs

Row n begins with a(A226612(n)) and has length A226613(n).

The cycle associated with a(n) has length A226609(n) and A226610(n) odd elements.

Cf. A226611, A226624, A226667-A226669.