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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). 8
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

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

EXAMPLE

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.

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.

Sequence in context: A033369 A236247 A299470 * A027647 A221202 A291480

Adjacent sequences:  A226605 A226606 A226607 * A226609 A226610 A226611

KEYWORD

nonn,tabf

AUTHOR

Geoffrey H. Morley, Jun 13 2013

STATUS

approved

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Last modified April 25 16:59 EDT 2019. Contains 322461 sequences. (Running on oeis4.)