OFFSET
0,4
LINKS
Emre Yolcu, Scott Aaronson and Marijn J. H. Heule, An Automated Approach to the Collatz Conjecture, arXiv:2105.14697 [cs.LO], 2021, pp. 21-25.
FORMULA
EXAMPLE
Written as an irregular triangle, the sequence begins:
n\k 0 1 2 3 4 5 6
-------------------------------
0: 0
1: 1 0
2: 2 1 0
3: 3 5 8 4 1 0
4: 4 1 0
5: 5 8 4 1 0
6: 6 3 5 8 4 1 0
7: 7 2 1 0
8: 8 4 1 0
9: 9 14 7 2 1 0
10: 10 3 5 8 4 1 0
11: 11 17 26 13 4 1 0
...
MATHEMATICA
CROSSREFS
KEYWORD
nonn,easy,tabf
AUTHOR
Paolo Xausa, Jan 04 2022
STATUS
approved