A341699 a(n) is the least m such that A341694(m, k) = n for some k > 0.

1, 2, 2, 4, 2, 11, 4, 2, 5, 12, 4, 9, 2, 8, 17, 12, 5, 4, 24, 32, 2, 48, 8, 13, 10, 12, 19, 16, 4, 25, 5, 18, 21, 2, 33, 36, 8, 11, 34, 45, 37, 9, 68, 13, 16, 66, 4, 77, 10, 24, 27, 47, 17, 153, 2, 39, 5, 48, 95, 8, 22, 51, 18, 26, 21, 49, 71, 12, 44, 11, 36

Offset

1,2

Links

Rémy Sigrist, Table of n, a(n) for n = 1..10000

Rémy Sigrist, Logarithmic scatterplot of the first 2^18 terms

Rémy Sigrist, PARI program for A341699

Formula

a(n) <= 2^(n-1).

A341285(n) = A070939(a(n)).

Example

The first row of A341694 contains only 1's:
- so a(1) = 1.
The second row of A341694 contains the positive Fibonacci numbers:
- so a(2) = a(3) = a(5) = a(8) = a(13) = a(21) = a(34) = a(55) = ..., = 2.

Prog

(PARI) See Links section.

Crossrefs

Cf. A070939, A341285, A341694.

Sequence in context: A349754 A376404 A064482 * A294072 A329600 A344226

Adjacent sequences: A341696 A341697 A341698 * A341700 A341701 A341702

Keyword

nonn,look,base

Author

Rémy Sigrist, Feb 17 2021

Status

approved