0,3

I.e. number of orbits to which "gatomorphisms" A071661/A071662 partition each A000108(n) Catalan tree structures encoded in A014486[A014137(n-1)..A014138(n-1)].

A. Karttunen, C-program for counting the initial terms of this sequence

Occurs in A073201 as row 13373289. Cf. A079438, A079439, A057507, A079441.

Adjacent sequences: A079434 A079435 A079436 this_sequence A079438 A079439 A079440

Sequence in context: A030753 A003040 A126317 this_sequence A061220 A089872 A006402

nonn

Antti Karttunen (Firstname.Surname(AT)iki.fi) Jan 27 2003