login
A006771
Exponential self-convolution of numbers of trees on n nodes.
1
1, 2, 4, 8, 18, 46, 128, 372, 1174, 3820, 13170, 46714, 172490, 652758, 2547196, 10156810, 41495158, 172810254, 734132414, 3171713642, 13933910250, 62121022408, 280907384318, 1286617710114, 5964793344934, 27961159869700, 132441462312280, 633354027835730
OFFSET
0,2
LINKS
CROSSREFS
Cf. A000055.
Sequence in context: A338729 A308030 A252653 * A113989 A126757 A369386
KEYWORD
nonn
AUTHOR
STATUS
approved