A379805 Floor of n*(1+sqrt(6))/2.

0, 1, 3, 5, 6, 8, 10, 12, 13, 15, 17, 18, 20, 22, 24, 25, 27, 29, 31, 32, 34, 36, 37, 39, 41, 43, 44, 46, 48, 50, 51, 53, 55, 56, 58, 60, 62, 63, 65, 67, 68, 70, 72, 74, 75, 77, 79, 81, 82, 84, 86, 87, 89, 91, 93, 94, 96, 98, 100, 101, 103, 105, 106, 108, 110, 112, 113, 115, 117, 119, 120, 122, 124, 125, 127, 129, 131, 132, 134, 136, 137, 139, 141, 143, 144, 146, 148, 150, 151, 153, 155, 156, 158, 160, 162, 163

Offset: 0

Author

N. J. A. Sloane, Jan 20 2025

Keywords

• nonn

Links

• Paolo Xausa, Table of n, a(n) for n = 0..10000

Crossrefs

Cf. A000201, A182760, A379800, A379801.

Programs

Mathematica

Floor[Range[0, 100]*(1 + Sqrt[6])/2] (* Paolo Xausa, Jan 21 2025 *)

Extensions

More than the usual number of terms are shown in order to distinguish this from a very similar sequence.