A383442 -id:A383442 - cp's OEIS frontend

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

N. J. A. Sloane, May 03 2025

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

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

Cf. A383442, A383688.

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

A383688 Partial sums of A383442.

Original entry on oeis.org

0, 1, 3, 2, 0, -3, 0, 4, 9, 4, 0, 6, 13, 21, 14, 8, 17, 27, 38, 28, 19, 11, 0, -12, -25, -39, -25, -12, 0, 15, 31, 48, 66, 48, 33, 17, 0, 19, 39, 60, 82, 105, 83, 64, 44, 23, 47, 72, 98, 125, 153, 126, 102, 79, 53, 28, 0, -29, -59, -90, -122, -155, -122, -92, -63, -31

Offset: 0

Paolo Xausa, May 05 2025

sign

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

Cf. A383442, A383443.

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

a(n) = Sum_{k=0..n} A383442(k).

cp's OEIS Frontend

A383443 First differences of A383442.

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