A255878 First differences of A256188.

1, -1, 1, 2, 1, -4, 1, 1, 4, 1, 1, -8, 1, 1, 1, 7, 1, 1, 1, -13, 1, 1, 1, 1, 11, 1, 1, 1, 1, -19, 1, 1, 1, 1, 1, 16, 1, 1, 1, 1, 1, -26, 1, 1, 1, 1, 1, 1, 22, 1, 1, 1, 1, 1, 1, -34, 1, 1, 1, 1, 1, 1, 1, 29, 1, 1, 1, 1, 1, 1, 1, -43, 1, 1, 1, 1, 1, 1, 1, 1

Offset: 1

Author

Reinhard Zumkeller, Mar 26 2015

Keywords

• sign

Links

• Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Crossrefs

Cf. A256188, A255437.

Programs

Haskell

a255878 n = a255878_list !! (n-1)
a255878_list = zipWith (-) (tail a256188_list) a256188_list