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A045475 Normalized extreme values for "3x+1" trees of depth n. 0
1, 1, 1, 2, 2, 3, 4, 5, 6, 9, 11, 16, 20, 27, 36, 48, 64, 87, 114, 154, 206, 274, 363, 484, 649, 868, 1159, 1549, 2052, 2747 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

REFERENCES

D. Applegate and J. C. Lagarias, Distribution of 3x+1 trees, Experimental Mathematics 4 (1995),193-209.

LINKS

Table of n, a(n) for n=1..30.

J. C. Lagarias, The 3x+1 problem and its generalizations, Amer. Math. Monthly, 92 (1985), 3-23.

Index entries for sequences related to 3x+1 (or Collatz) problem

Experimental Mathematics, Home Page

CROSSREFS

Cf. A045474-A045476.

Sequence in context: A238625 A274145 A036072 * A316078 A082543 A050322

Adjacent sequences:  A045472 A045473 A045474 * A045476 A045477 A045478

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified June 25 22:27 EDT 2019. Contains 324364 sequences. (Running on oeis4.)