0,4

with(numtheory):with(combinat):a:=n->phi(bell(n)): seq(a(n), n=0..25);

Sequence in context: A052578 A066631 A090896 this_sequence A068367 A000964 A107840

Adjacent sequences: A131634 A131635 A131636 this_sequence A131638 A131639 A131640

nonn

Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Oct 02 2007