A153831 Index sequence to A089840: set-wise difference of A153829 and A153830.

68, 73, 74, 83, 84, 87, 88, 183, 184, 189, 190, 199, 202, 203, 252, 254, 261, 262, 268, 269, 270, 271, 515, 537, 539, 573, 575, 591, 593, 871, 894, 895, 990, 995, 996, 1110, 1132, 1134, 1466, 1489, 1490, 1585, 1590, 1591, 1600, 1601, 1604, 1605, 2213

Offset: 0

Author

Antti Karttunen, Jan 07 2009

Keywords

• nonn

Comments

The terms give the positions to bijections in A089840 which preserve A153835/A127302 (the non-oriented form of binary trees), but do not extend uniquely to automorphisms of an infinite binary tree.

Links

• A. Karttunen, Table of n, a(n) for n = 0..2933
• A. Karttunen, C-program for computing the initial terms of this sequence

Crossrefs

Cf. also A153826, A153827, A153828, A153832, A153833.