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

1,1

Links

Table of n, a(n) for n=1..48.

Benoit Cloitre and Jeffrey Shallit, Some Fibonacci-Related Sequences, arXiv:2312.11706 [math.CO], 2023.

N. J. A. Sloane, Classic Sequences

Formula

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

Example

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

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 *)

Crossrefs

See A007064 for references.

Cf. A007064, A035489.

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

Sequence in context: A241672 A376359 A377287 * A299637 A190889 A020966

Adjacent sequences: A035484 A035485 A035486 * A035488 A035489 A035490

Keyword

nonn,easy

Author

N. J. A. Sloane

Status

approved