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A006878 Record number of steps to reach 1 in `3x+1' problem, corresponding to starting values in A006877.
(Formerly M4335)
+0
11
0, 1, 7, 8, 16, 19, 20, 23, 111, 112, 115, 118, 121, 124, 127, 130, 143, 144, 170, 178, 181, 182, 208, 216, 237, 261, 267, 275, 278, 281, 307, 310, 323, 339, 350, 353, 374, 382, 385, 442, 448, 469, 508, 524, 527, 530, 556, 559, 562, 583, 596, 612, 664, 685, 688, 691, 704 (list; graph; listen)
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Last modified December 6 13:11 EST 2009. Contains 170427 sequences.


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