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A064426 First differences of A064413. 2
1, 2, 2, -3, 6, 3, -4, 2, -5, 10, 3, -4, -7, 14, 3, -8, 4, 2, -11, 22, -6, 3, -5, 10, -7, -2, -13, 26, -3, -4, 2, -17, 34, -9, -4, -19, 38, -12, -5, 4, 2, -23, 46, -21, 2, 2, 2, 2, -7, 14, -3, -5, 10, 5, -12, -29, 58, -21, -4, -31, 62, -21, -8, 4, 6, -37, 74, -36, 3, -2, 4, 2, -41, 82, -42, 3, -7, 11, -2, -43 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

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

J. C. Lagarias, E. M. Rains and N. J. A. Sloane, The EKG sequence, Exper. Math. 11 (2002), 437-446.

Index entries for sequences related to EKG sequence

PROG

(Haskell)

a064426 n = a064426_list !! (n-1)

a064426_list = zipWith (-) (tail a064413_list) a064413_list

-- Reinhard Zumkeller, Sep 17 2001

CROSSREFS

Sequence in context: A076333 A015051 A260389 * A051173 A128228 A190098

Adjacent sequences:  A064423 A064424 A064425 * A064427 A064428 A064429

KEYWORD

sign

AUTHOR

N. J. A. Sloane, Oct 02 2001

STATUS

approved

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Last modified December 10 00:24 EST 2016. Contains 278993 sequences.