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A163281 First differences of A163280. 1

%I #5 Feb 15 2014 12:32:58

%S 1,2,-1,3,3,-4,3,4,4,-9,3,5,5,5,-14,3,4,6,6,6,-23,9,-1,7,7,7,7,-32,9,

%T 1,5,8,8,8,8,-45,15,-1,11,1,9,9,9,9,-58,15,1,13,-2,10,10,10,10,10,-71,

%U 17,5,17,-13,11,11,11,11,11,11,-90,27,-1,19,-11

%N First differences of A163280.

%Y Cf. A161344, A163280, A163983, A164000.

%K sign

%O 1,2

%A _Omar E. Pol_, Aug 08 2009

%E More terms from _Michel Marcus_, Feb 15 2014

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Last modified March 29 06:57 EDT 2024. Contains 371265 sequences. (Running on oeis4.)