A348771 a(n) = A031160(n)/2.

1, 4, 7, 16, 25, 34, 37, 64, 67, 85, 97, 118, 130, 142, 160, 196, 214, 238, 244, 259, 268, 289, 307, 310, 322, 364, 370, 442, 448, 463, 466, 490, 496, 505, 511, 520, 547, 553, 601, 616, 625, 631, 694, 709, 736, 748, 751, 772, 793, 799, 820, 883, 886, 916, 961

Offset: 1

Author

N. J. A. Sloane, Nov 06 2021

Keywords

• nonn

Links

• Amiram Eldar, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A000959, A031158, A031159, A031160.

Extensions

More terms from Amiram Eldar, Mar 09 2022