A262391 Erroneous duplicate of A000944.

0, 0, 0, 1, 2, 6, 34, 257, 2606, 440564, 6384634, 96262938, 1496225352, 23833988129, 387591510244, 6415851530241, 107854282197058

Offset: 1

Author

Jiazhen Tan, Sep 21 2015

Keywords

• dead

Examples

			For n=4 the only possible shape is a tetrahedron with four triangle sides.
For n=5 the only possible shapes are the square pyramid and triangular prism.