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Search: id:A021216
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A021216 Decimal expansion of 1/212. +0
1
0, 0, 4, 7, 1, 6, 9, 8, 1, 1, 3, 2, 0, 7, 5, 4, 7, 1, 6, 9, 8, 1, 1, 3, 2, 0, 7, 5, 4, 7, 1, 6, 9, 8, 1, 1, 3, 2, 0, 7, 5, 4, 7, 1, 6, 9, 8, 1, 1, 3, 2, 0, 7, 5, 4, 7, 1, 6, 9, 8, 1, 1, 3, 2, 0, 7, 5, 4, 7, 1, 6, 9, 8, 1, 1, 3, 2, 0, 7, 5, 4, 7, 1, 6, 9, 8, 1, 1, 3, 2, 0, 7, 5, 4, 7, 1, 6, 9, 8 (list; cons; graph; listen)
OFFSET

0,3

FORMULA

a(n)=(1/169)*{-82*(n mod 13)+35*[(n+1) mod 13]+22*[(n+2) mod 13]-17*[(n+3) mod 13]+9*[(n+4) mod 13]+100*[(n+5) mod 13]+22*[(n+6) mod 13]-30*[(n+7) mod 13]-56*[(n+8) mod 13]+87*[(n+9) mod 13]-30*[(n+10) mod 13]+22*[(n+11) mod 13]+35*[(n+12) mod 13]}-7*[C(2*n,n) mod 2]-5*{C[(n+1)^2,n+3] mod 2}, with n>=0 [From Paolo P. Lava (ppl(AT)spl.at), Sep 25 2009]

CROSSREFS

Sequence in context: A135004 A086234 A016490 this_sequence A085508 A019670 A093436

Adjacent sequences: A021213 A021214 A021215 this_sequence A021217 A021218 A021219

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified December 4 23:11 EST 2009. Contains 170347 sequences.


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