A248154 Row length of the irregular triangle A246646 (sieved modified Collatz table).
2, 5, 2, 8, 3, 2, 7, 2, 2, 5, 3, 2, 3, 60, 2, 2, 3, 2, 2, 3, 9, 2, 6, 3, 2, 5, 2, 2, 6, 3, 2, 9, 2, 2, 3, 2, 2, 3, 6, 2, 7, 2, 2, 2, 6, 2, 2, 3, 2, 3, 5, 2, 2, 3, 2, 2, 3, 2, 2, 5, 3, 2, 2, 9, 2, 2, 16, 3, 2, 3, 8, 2, 2, 3, 2, 2, 3, 5, 2, 6, 3, 2, 8, 2, 2, 5, 3, 2, 3, 6, 2, 3, 2, 2, 3, 6, 2, 8, 3, 2
Offset: 1
Examples
Row n = 1 of A246646(n,m) is 2, 1 with length 2. Row n = 14 for the starting number k = A246647(14) = 27 of the (modified) Collatz iteration has 60 entries in the sieved table A246646.