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A122791 Decimal expansion of the average "dropping time" of the reduced 3x+1 iteration. 2
3, 4, 9, 2, 6, 5, 1, 8, 5, 2, 1, 8, 6, 4, 2, 4, 9, 1, 2, 3, 0, 5, 5, 6, 0, 3, 3, 7, 5, 2, 9, 6, 8, 0, 6, 4, 7, 4, 2, 7, 2, 9, 0, 5, 3, 4, 8, 0, 9, 0, 9, 9, 9, 0, 5, 3, 0, 9, 1, 4, 7, 4, 5, 2, 2, 2, 2, 3, 3, 8, 4, 4, 0, 7, 2, 0, 8, 2, 7, 6, 0, 5, 9, 1, 8, 7, 0, 2, 2, 8, 5, 5, 1, 9, 1, 0, 3, 4, 6, 7, 5, 4, 8, 1, 4 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
FORMULA
Sum{k>0} k*A100982(k)/2^(A020914(k)-1) = 3.49265185218642491230556033752968...
CROSSREFS
Cf. A122458 (dropping time of the reduced Collatz iteration), A100982, A122790.
Sequence in context: A019900 A329212 A290373 * A011429 A225409 A083437
KEYWORD
cons,nonn
AUTHOR
T. D. Noe, Sep 11 2006
STATUS
approved

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Last modified March 28 08:22 EDT 2024. Contains 371236 sequences. (Running on oeis4.)