1,2

Index entries for sequences related to factorial numbers

prod_{k=1}^{k=n} (q^k - 1) / (q - 1)

Sequence in context: A013716 A110195 A015484 this_sequence A076168 A053884 A027880

Adjacent sequences: A015024 A015025 A015026 this_sequence A015028 A015029 A015030

sign,easy

Olivier Gerard (ogerard(AT)ext.jussieu.fr)