A379882 a(n) is the length of the n-th maximal run of consecutive terms of A377091 with the same sign.

1, 2, 2, 3, 2, 3, 8, 5, 6, 5, 6, 10, 8, 13, 8, 9, 10, 11, 10, 11, 15, 13, 23, 13, 14, 15, 16, 15, 16, 17, 18, 17, 18, 38, 20, 21, 20, 21, 22, 23, 22, 23, 24, 25, 50, 26, 26, 26, 28, 28, 28, 29, 29, 29, 31, 29, 5, 32, 26, 4, 32, 28, 2, 3, 33, 31, 34, 34, 4, 36

Offset

1,2

Links

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

Rémy Sigrist, C++ program

Example

A377091 begins:
    0, 1, 2, -2, -1, 3, 4, 5, -4, -3, 6, 7, 8, -8.
So the present sequence begins:
    1, 2,    2,      3,       2,      3.

Mathematica

(* A377091list is defined at A377091 *)
Map[Length, Most[SplitBy[A377091list[2000], Sign]]] (* Paolo Xausa, Jan 24 2025 *)

Prog

(C++) // See Links section.

Crossrefs

Cf. A377091.

Sequence in context: A236433 A117122 A122828 * A242213 A035213 A340224

Adjacent sequences: A379879 A379880 A379881 * A379883 A379884 A379885

Keyword

nonn

Author

Rémy Sigrist, Jan 05 2025

Status

approved