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A160356 First differences of Recamán's sequence A005132. 8

%I

%S 1,2,3,-4,5,6,7,-8,9,-10,11,-12,13,-14,15,-16,17,18,19,-20,21,-22,-23,

%T 24,-25,26,-27,28,-29,30,-31,32,33,34,-35,36,-37,-38,39,-40,41,-42,43,

%U -44,45,-46,47,-48,49,-50,51,-52,53,-54,55,-56,57,-58,59,-60,61,-62,63

%N First differences of Recamán's sequence A005132.

%F a(n) = A005132(n)-A005132(n-1) = n*A160357(n).

%F As a set, A160356 = A057165 union -A057166.

%Y Cf. A005132, A057165, A057166, A065056, A160357.

%K sign

%O 1,2

%A _M. F. Hasler_, Jun 03 2009

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Last modified November 21 09:39 EST 2018. Contains 317446 sequences. (Running on oeis4.)