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

1,4

Links

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

Prog

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

Crossrefs

Cf. A256188, A255437.

Sequence in context: A011130 A291854 A072918 * A162944 A140582 A062866

Adjacent sequences: A255875 A255876 A255877 * A255879 A255880 A255881

Keyword

sign

Author

Reinhard Zumkeller, Mar 26 2015

Status

approved