0,2

P. J. Cameron, Some treelike objects, Quart. J. Math. Oxford, 38 (1987), 155-183.

Adjacent sequences: A007593 A007594 A007595 this_sequence A007597 A007598 A007599

Sequence in context: A009717 A018317 A059794 this_sequence A050588 A105282 A018325

nonn,nice,easy,more

njas