1,4

(PARI) z=1; for(i=1, 20, fordiv(i, j, z*=j); print1(", "z/i!))

Sequence in context: A131121 A055772 A025527 this_sequence A059187 A054916 A140431

Adjacent sequences: A092141 A092142 A092143 this_sequence A092145 A092146 A092147

nonn

Jon Perry (perry(AT)globalnet.co.uk), Mar 31 2004