1,3
Partial products of A152686.
lst={}; p0=p1=p2=1; Do[p0*=a[n]; p1*=p0; p2*=p1; AppendTo[lst, p2], {n, 1, 2*3!}]; lst
Cf. A001924, A003266, A152686.
Sequence in context: A055462 A088600 A066120 * A062716 A137888 A108349
Adjacent sequences: A152684 A152685 A152686 * A152688 A152689 A152690
nonn
Vladimir Orlovsky (4vladimir(AT)gmail.com), Dec 10 2008
Edited by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Dec 12 2008