A035487 Second column of Stolarsky array.

2, 6, 11, 15, 19, 23, 28, 32, 36, 40, 44, 49, 53, 57, 61, 66, 70, 74, 78, 83, 87, 91, 95, 100, 104, 108, 112, 116, 121, 125, 129, 133, 138, 142, 146, 150, 155, 159, 163, 167, 172, 176, 180, 184, 189, 193, 197, 201

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• easy

Examples

			For n=4, A007064(4)=12 and A007067(12)=19, so a(4)=19.
		

Links

• Benoit Cloitre and Jeffrey Shallit, Some Fibonacci-Related Sequences, arXiv:2312.11706 [math.CO], 2023.
• N. J. A. Sloane, Classic Sequences

Crossrefs

See A007064 for references.

Cf. A007064, A035489.

Equals A001966(n-1) - n + 1.

Programs

Mathematica

Table[Floor[(# + 1/2) (Sqrt@ 5 + 3)] &[n - 1] - n + 1, {n, 48}] (* Michael De Vlieger, Aug 28 2016, after T. D. Noe at A001966 *)

Formula

a(n) = A007067(A007064(n)).