A322773 Column 2 of array in A322770.

5, 18, 70, 299, 1393, 7023, 38043, 220054, 1352082, 8784991, 60125371, 432001747, 3248914361, 25508188118, 208592396802, 1772921926183, 15632838989393, 142759592985079, 1348095912827295, 13145321614286610, 132188675368994446, 1369216940917868547

Offset: 0

Author

N. J. A. Sloane, Dec 30 2018

Keywords

• nonn

Links

• Alois P. Heinz, Table of n, a(n) for n = 0..572

Crossrefs

Cf. A322764, A322770.

Column k=2 of A346517.