A287043 Column 3 of A286783.

9, 550, 19760, 586425, 16271380, 446964322, 12516198870, 362901875292, 10984979930625, 348559615602900, 11613184968311010, 406385382363237945, 14927815613184463440, 575018321453046128700, 23197450399028711170020, 978734324107274793589440, 43125048817869336467480865

Offset: 4

Author

Gheorghe Coserea, May 19 2017

Keywords

• nonn

Links

• Gheorghe Coserea, Table of n, a(n) for n = 4..213

Crossrefs

Cf. A286783.