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A138287
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Palindromic period 10: repeat 0, 2, 8, 4, 6, 6, 4, 8, 2, 0.
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0, 2, 8, 4, 6, 6, 4, 8, 2, 0, 0, 2, 8, 4, 6, 6, 4, 8, 2, 0, 0, 2, 8, 4, 6, 6, 4, 8, 2, 0, 0, 2, 8, 4, 6, 6, 4, 8, 2, 0, 0, 2, 8, 4, 6, 6, 4, 8, 2, 0, 0, 2, 8, 4, 6, 6, 4, 8, 2, 0, 0, 2, 8, 4, 6, 6, 4, 8, 2, 0, 0, 2, 8, 4, 6, 6, 4, 8, 2, 0, 0, 2, 8, 4, 6, 6, 4, 8, 2, 0, 0, 2, 8, 4, 6, 6, 4, 8, 2, 0, 0, 2, 8, 4, 6
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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FORMULA
| a(n)=(1/45)*{4*(n mod 10)+13*[(n+1) mod 10]+31*[(n+2) mod 10]-14*[(n+3) mod 10]+13*[(n+4) mod 10]+4*[(n+5) mod 10]-5*[(n+6) mod 10]+22*[(n+7) mod 10]-23*[(n+8) mod 10]-5*[(n+9) mod 10]} - Paolo P. Lava (paoloplava(AT)gmail.com), May 07 2008
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CROSSREFS
| Cf. A117616.
Sequence in context: A105351 A178592 A019611 * A101314 A054530 A151928
Adjacent sequences: A138284 A138285 A138286 * A138288 A138289 A138290
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KEYWORD
| nonn
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AUTHOR
| Paul Curtz (bpcrtz(AT)free.fr), May 06 2008
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