A171958 - OEIS

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A171958

First differences of A181391.

2

0, 1, -1, 2, -2, 2, 0, -1, 5, -6, 5, -5, 2, 4, -1, -1, -4, 5, -2, -3, 3, -1, 7, -9, 4, 5, -6, 3, 8, -14, 6, -3, 2, 10, -15, 5, -2, 2, -3, 15, -17, 6, 5, -11, 3, 5, -8, 3, 0, -2, 41, -42, 5, 10, 5, -20, 4, 28, -32, 3, 8, 7, -18, 4, 3, -7, 3, 4, -4, -1, 29, -31, 6, 25, -28, 3, -3, -1, 6, 25, -33, 9, 47, -56, 3, 5, -1, 12, -19, 5, 32, -37, 3

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,4

LINKS

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

Rémy Sigrist, C++ program for A171958

PROG

(C++) See Links section.

CROSSREFS

Sequence in context: A302986 A295305 A082900 * A301735 A133625 A373926

Adjacent sequences: A171955 A171956 A171957 * A171959 A171960 A171961

KEYWORD

sign

AUTHOR

N. J. A. Sloane, Nov 02 2010

STATUS

approved