A268529 Records in A268642.

1, 3, 6, 18, 36, 108, 159, 180, 540, 648, 1026, 1077, 1617, 1818, 2049, 3075, 3888, 6156, 6930, 7128, 7668, 9717, 14577, 18465, 23328, 23757, 35637, 42120, 42768, 46329, 56373, 70956, 85212, 97197, 145797, 218697, 276048, 314925, 367413, 672624, 1008936

Offset: 1

Author

N. J. A. Sloane, Feb 17 2016

Keywords

• nonn

Crossrefs

Cf. A268642, A268530.