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A156637
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Pell numbers A000129 mod 9. Period 24: repeat 0,1,2,5,3,2,7,7,3,4,2,8,0,8,7,4,6,7,2,2,6,5,7,1.
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0
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0, 1, 2, 5, 3, 2, 7, 7, 3, 4, 2, 8, 0, 8, 7, 4, 6, 7, 2, 2, 6, 5, 7, 1, 0, 1, 2, 5, 3, 2, 7, 7, 3, 4, 2, 8, 0, 8, 7, 4, 6, 7, 2, 2, 6, 5, 7, 1
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,3
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FORMULA
| a(n+13)=9-a(n)-(1/88)*{-65*(n mod 12)+[(n+1) mod 12]+[(n+2) mod 12]+[(n+3) mod 12]+[(n+4) mod 12]+[(n+5) mod 12]+[(n+6) mod 12]+[(n+7) mod 12]+[(n+8) mod 12]+[(n+9) mod 12]+[(n+10) mod 12]+67*[(n+11) mod 12]}, with a(0)..a(12) = 0,1,2,5,3,2,7,7,3,4,2,8. [From Paolo P. Lava (paoloplava(AT)gmail.com), Feb 27 2009]
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CROSSREFS
| Sequence in context: A078375 A065261 A130848 * A195784 A163766 A004200
Adjacent sequences: A156634 A156635 A156636 * A156638 A156639 A156640
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KEYWORD
| nonn
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AUTHOR
| Paul Curtz (bpcrtz(AT)free.fr), Feb 12 2009
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EXTENSIONS
| Edited by N. J. A. Sloane (njas(AT)research.att.com), Feb 14 2009
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