A030776 Numbers k such that A030767(k) = 4.

5, 10, 19, 20, 36, 48, 50, 61, 76, 77, 116, 136, 156, 158, 181, 184, 210, 242, 249, 252, 281, 285, 293, 296, 318, 326, 359, 405, 413, 415, 454, 459, 463, 476, 505, 507, 512, 515, 560, 566, 622, 680, 687, 743, 752, 813, 817, 823

Offset: 1

Author

Clark Kimberling

Keywords

• nonn

Crossrefs

Cf. A030767.