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A156551
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Period 10: 8,6,0,4,2,2,4,0,6,8 repeated.
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1
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8, 6, 0, 4, 2, 2, 4, 0, 6, 8, 8, 6, 0, 4, 2, 2, 4, 0, 6, 8, 8, 6, 0, 4, 2, 2, 4, 0, 6, 8, 8, 6, 0, 4, 2, 2, 4, 0, 6, 8, 8, 6, 0, 4, 2, 2, 4, 0, 6, 8
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,1
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COMMENTS
| See A131715.
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FORMULA
| a(n) = A155110(n) mod 10.
G.f.: 2*(4*x^8-x^7+x^6+x^5+x^3+x^2-x+4)/((1-x)*(x^4-x^3+x^2-x+1)*(x^4+x^3+x^2+x+1)) . - R. J. Mathar, Feb 23 2009
a(n)=(1/45)*{4*(n mod 10)-5*[(n+1) mod 10]-23*[(n+2) mod 10]+22*[(n+3) mod 10]-5*[(n+4) mod 10]+4*[(n+5) mod 10]+13*[(n+6) mod 10]-14*[(n+7) mod 10]+31*[(n+8) mod 10]+13*[(n+9) mod 10]}, with n>=0 [From Paolo P. Lava (paoloplava(AT)gmail.com), Feb 13 2009]
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CROSSREFS
| Sequence in context: A199473 A153617 A069855 * A074738 A010115 A197759
Adjacent sequences: A156548 A156549 A156550 * A156552 A156553 A156554
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KEYWORD
| nonn,easy,less
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AUTHOR
| Paul Curtz (bpcrtz(AT)free.fr), Feb 09 2009
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EXTENSIONS
| Edited by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 23 2009
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