A380699 Numbers m such that the set {A377091(k), k = 0..m} is an integer interval.

0, 1, 2, 4, 5, 6, 7, 9, 10, 11, 12, 16, 17, 18, 19, 20, 25, 26, 27, 28, 29, 30, 31, 36, 37, 38, 39, 40, 41, 42, 52, 53, 54, 55, 56, 57, 58, 59, 60, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 100, 101, 102, 103, 104, 105

Offset

1,3

Comments

Equivalently, numbers m such that A380698(m) = 1.

Is this sequence infinite?

Links

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

Rémy Sigrist, PARI program

Example

A380698(7) = 1, so 7 belongs to this sequence.
A380698(8) = 2, so 8 does not belong to this sequence.

Prog

(PARI) \\ See Links section.

Crossrefs

Cf. A377091, A380698.

Sequence in context: A230633 A024616 A023733 * A154112 A039101 A140102

Adjacent sequences: A380695 A380697 A380698 * A380700 A380701 A380702

Keyword

nonn,new

Author

Rémy Sigrist, Jan 30 2025

Status

approved