A144727 Erroneous version of A046972.

11, 31, 151, 1051, 10501, 126001, 1764001, 26460001, 502740001, 10557540001, 274496040001, 7960385160001, 238811554800001, 9313650637200001, 381859676125200001, 21384141863011200001, 1325816795506694400001

Offset: 1

Author

Keywords

• dead