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A033492 Record number of steps to reach 1 in `3x+1' problem, corresponding to starting values in A006877 (same as A006878 except here we start counting at 1 instead of 0). +0
11
1, 2, 8, 9, 17, 20, 21, 24, 112, 113, 116, 119, 122, 125, 128, 131, 144, 145, 171, 179, 182, 183, 209, 217, 238, 262, 268, 276, 279, 282, 308, 311, 324, 340, 351, 354, 375, 383, 386, 443, 449, 470, 509, 525, 528, 531, 557, 560, 563, 584, 597, 613, 665, 686 (list; graph; listen)
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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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