Number of Steps to 1 in the Collatz Problem

ff 00 01 07 02 05 08 10 03 13 06 0e 09 09 11 11 
04 0c 14 14 07 07 0f 0f 0a 17 0a 6f 12 12 12 6a 
05 1a 0d 0d 15 15 15 22 08 6d 08 1d 10 10 10 68 
0b 18 18 18 0b 0b 70 70 13 20 13 20 13 13 6b 6b 
06 1b 1b 1b 0e 0e 0e 66 16 73 16 0e 16 16 23 23 
09 16 6e 6e 09 09 1e 1e 11 1e 11 5c 11 11 69 69 
0c 76 19 19 19 19 19 57 0c 26 0c 64 71 71 71 45 
14 0c 21 21 14 14 21 21 14 5f 14 2e 6c 6c 6c 2e 
07 79 1c 1c 1c 1c 1c 29 0f 5a 0f 29 0f 0f 67 67 
17 74 74 74 17 17 0f 0f 17 24 17 55 24 24 24 36 
0a 62 17 17 6f 6f 6f 43 0a 31 0a 7c 1f 1f 1f 50 
12 1f 1f 1f 12 12 5d 5d 12 2c 12 2c 6a 6a 6a 2c 
0d 77 77 77 1a 1a 1a 77 1a 12 1a 27 1a 1a 58 58 
0d 27 27 27 0d 0d 65 65 72 1a 72 34 72 72 46 46 
15 34 0d 0d 22 22 22 7f 15 53 15 7f 22 22 22 34 
15 15 60 60 15 15 2f 2f 6d 2f 6d 41 6d 6d 2f 2f 

Download: collatz-steps.bin
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https://oeis.org/A006577