1,3
Table of n, a(n) for n=1..15.
Index entries for sequences related to posets
E.g.f. A(x)=B(x/(1+x)) where B(x) is e.g.f. of A001927.
E.g.f. A(x)=log(B(x)) where B(x) is e.g.f. of A066302.
Sequence in context: A058784 A008380 A196905 * A136383 A043084 A113653
Adjacent sequences: A066300 A066301 A066302 * A066304 A066305 A066306
nonn
Christian G. Bower, Dec 12 2001
approved
