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A057893 Negabinary numbral multiplication table. 2

%I

%S 0,0,0,0,1,0,0,2,2,0,0,3,4,3,0,0,4,6,6,4,0,0,5,8,1,8,5,0,0,6,10,12,12,

%T 10,6,0,0,7,12,15,16,15,12,7,0,0,8,14,2,20,20,2,14,8,0,0,9,16,13,24,

%U 105,24,13,16,9,0,0,10,18,24,28,30,30,28,24,18,10,0,0,11,20,27,32,19,4

%N Negabinary numbral multiplication table.

%C Units are [1]=1 and [3]=-1.

%e a(17)=6 since a(17) corresponds to the table entry for [3]+[2]=-1*-2=2=4-2=[6]

%Y Cf. A005351, A005352, A057892, A057894.

%K easy,nonn,tabl

%O 0,8

%A _Marc LeBrun_, Sep 25 2000

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Last modified February 20 14:49 EST 2019. Contains 320327 sequences. (Running on oeis4.)