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A255507 First differences of A255437. 2
1, 1, -2, 2, 2, 1, 1, 1, -7, 2, 2, 5, 1, 1, 1, 1, 1, -14, 2, 2, 2, 10, 1, 1, 1, 1, 1, 1, 1, -23, 2, 2, 2, 2, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, -34, 2, 2, 2, 2, 2, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, -47, 2, 2, 2, 2, 2, 2, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

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

PROG

(Haskell)

a255507 n = a255507_list !! (n-1)

a255507_list = zipWith (-) (tail a255437_list) a255437_list

CROSSREFS

Cf. A255437, A255878.

Sequence in context: A139755 A213366 A212648 * A195052 A104637 A188795

Adjacent sequences:  A255504 A255505 A255506 * A255508 A255509 A255510

KEYWORD

sign

AUTHOR

Reinhard Zumkeller, Mar 23 2015

STATUS

approved

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Last modified July 5 06:54 EDT 2020. Contains 335459 sequences. (Running on oeis4.)