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Search: id:A159956
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| A159956 |
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Period 16 : 0,1,2,3,1,2,3,0,2,3,0,1,3,0,1,2 . |
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+0
1
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| 0, 1, 2, 3, 1, 2, 3, 0, 2, 3, 0, 1, 3, 0, 1, 2, 0, 1, 2, 3, 1, 2, 3, 0, 2, 3, 0, 1, 3, 0, 1, 2, 0, 1, 2, 3, 1, 2, 3, 0, 2, 3, 0, 1, 3, 0, 1, 2, 0, 1, 2, 3, 1, 2, 3, 0, 2, 3, 0, 1, 3, 0, 1, 2, 0, 1, 2, 3, 1, 2, 3, 0, 2, 3, 0, 1, 3, 0, 1, 2, 0, 1, 2, 3, 1, 2, 3, 0, 2, 3, 0, 1, 3, 0, 1, 2, 0, 1, 2, 3, 1, 2, 3, 0, 2
(list; graph; listen)
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OFFSET
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0,3
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FORMULA
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a(n+16)=a(n) with a(0)=a(7)=a(10)=a(13)=0, a(1)=a(4)=a(11)=a(14)=1, a(2)=a(5)=a(8)=a(15)=2, a(3)=a(6)=a(9)=a(12)=3 .
a(n)=(1/80)*{11*(n mod 16)-4*[(n+1) mod 16]-4*[(n+2) mod 16]+16*[(n+3) mod 16]-9*[(n+4) mod 16]-4*[(n+5) mod 16]+16*[(n+6) mod 16]-4*[(n+7) mod 16]-9*[(n+8) mod 16]+16*[(n+9) mod 16]-4*[(n+10) mod 16]-4*[(n+11) mod 16]+11*[(n+12) mod 16]-4*[(n+13) mod 16]-4*[(n+14) mod 16]-4*[(n+15) mod 16]}, with n>=0 [From Paolo P. Lava (ppl(AT)spl.at), Nov 12 2009]
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CROSSREFS
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Sequence in context: A106798 A121884 A079087 this_sequence A053839 A047896 A073645
Adjacent sequences: A159953 A159954 A159955 this_sequence A159957 A159958 A159959
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KEYWORD
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easy,nonn,new
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AUTHOR
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Philippe DELEHAM (kolotoko(AT)wanadoo.fr), Apr 27 2009
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