A045476 Normalized extreme values for "3x+1" trees of depth n.

2, 3, 4, 6, 8, 10, 14, 18, 24, 32, 42, 55, 74, 100, 134, 178, 237, 311, 413, 548, 736, 988, 1314, 1744, 2309, 3084, 4130, 5500, 7336, 9788

Offset

1,1

Links

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

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

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

Crossrefs

Cf. A045474, A045475.

Sequence in context: A134157 A274194 A237751 * A368381 A323360 A375186

Adjacent sequences: A045473 A045474 A045475 * A045477 A045478 A045479

Keyword

nonn,more

Author

N. J. A. Sloane

Status

approved