A383443 First differences of A383442.

1, 1, -3, -1, -1, 6, 1, 1, -10, 1, 10, 1, 1, -15, 1, 15, 1, 1, -21, 1, 1, -3, -1, -1, -1, 28, -1, -1, 3, 1, 1, 1, -36, 3, -1, -1, 36, 1, 1, 1, 1, -45, 3, -1, -1, 45, 1, 1, 1, 1, -55, 3, 1, -3, 1, -3, -1, -1, -1, -1, -1, 66, -3, -1, 3, -1, 3, 1, 1, 1, 1, 1, -78, 3, 1, 1, -3, -1, 78, 1, 1, 1, 1, 1, 1, -91, 3, 1, 1, -3, -1, 91

Offset

0,3

Comments

These are the successive steps made during the construction of A383442.

Links

Paolo Xausa, Table of n, a(n) for n = 0..10000

Mathematica

(* A383442list is defined at A383442 *)
Differences[A383442list[100]] (* Paolo Xausa, May 05 2025 *)

Crossrefs

Cf. A383442, A383688.

Sequence in context: A069972 A115017 A088439 * A162315 A109446 A391265

Adjacent sequences: A383440 A383441 A383442 * A383444 A383445 A383446

Keyword

sign

Author

N. J. A. Sloane, May 03 2025

Status

approved