A257111 First differences of A257339.

1, 1, 2, -1, 3, -1, 5, -2, 4, 4, 2, -11, 15, 6, -8, 4, 6, 6, 4, -6, 8, 4, -37, 39, -37, 41, -39, 1, 44, -32, 28, -16, -23, 45, -39, 29, 16, -49, 47, -41, 47, -45, 7, -1, 25, 16, 6, 4, -6, 8, 4, 8, 4, -73, 67, -61, 57, -53, 65, 4, -62, 64, 4, -93, 101, -6, 4

Offset

1,3

Comments

a(n) = A257339(n+1) - A257339(n).

Links

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

Prog

(Haskell)
a257111 n = a257111_list !! (n-1)
a257111_list = zipWith (-) (tail a257339_list) a257339_list

Crossrefs

Cf. A257339.

Sequence in context: A104725 A289079 A249810 * A011129 A262364 A266768

Adjacent sequences: A257108 A257109 A257110 * A257112 A257113 A257114

Keyword

sign

Author

Reinhard Zumkeller, Apr 24 2015

Status

approved