A226626 Irregular array read by rows. a(n) is the number of odd elements in the primitive Collatz-like 3x-k cycle associated with A226623(n).

1, 2, 7, 3, 4, 4, 11, 12, 12, 12, 12, 12, 12, 12, 12, 22, 8, 6, 4, 14, 14, 14, 8, 11, 11, 11, 44, 5, 5, 5, 12, 28, 14, 24, 24, 24, 24, 24, 14, 14, 21, 21, 14, 7, 7, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 32, 8

Offset: 1

Author

Geoffrey H. Morley, Jun 13 2013

Keywords

• nonn
• tabf

Examples

			The irregular array starts:
(k=1)  1, 2, 7;
(k=11) 3;
(k=17) 4, 4;
(k=19) 11;
a(4)=3 is the number of odd elements in the 3x-11 cycle {19,23,29,38} associated with A226623(4)=19
		

Links

• Geoffrey H. Morley, Rows 1..280 of array, flattened

Crossrefs

Row n begins with a(A226628(n)) and has length A226629(n). k=A226630(n).

The cycle associated with a(n) has length A226625(n) and its largest element is A226624(n).

Cf. A226610, A226627, A226632, A226689.