Template:Collatz exam2

1	4	16	4	10
2	10	40
3	16	64
4	22	88	28	58
5	28	112
6	34	136
7	40	160	52	106	34	70	22	46
...
61	364	1456	484	970	322	646	214	430	142	286	94	190
...