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A021442 Decimal expansion of 1/438. 0

%I

%S 0,0,2,2,8,3,1,0,5,0,2,2,8,3,1,0,5,0,2,2,8,3,1,0,5,0,2,2,8,3,1,0,5,0,

%T 2,2,8,3,1,0,5,0,2,2,8,3,1,0,5,0,2,2,8,3,1,0,5,0,2,2,8,3,1,0,5,0,2,2,

%U 8,3,1,0,5,0,2,2,8,3,1,0,5,0,2,2,8,3,1,0,5,0,2,2,8,3,1,0,5,0,2

%N Decimal expansion of 1/438.

%F a(n) = (1/32)*(-17*(n mod 8) + 7*((n+1) mod 8) + 11*((n+2) mod 8) + 23*((n+3) mod 8) - 21*((n+4) mod 8) + 3*((n+5) mod 8) - 5*((n+6) mod 8) + 23*((n+7) mod 8)) - 5*(binomial(2*n,n) mod 2), with n >= 0. [_Paolo P. Lava_, Nov 11 2009]

%e 0.0022831050228310502283105...

%t Join[{0,0},RealDigits[1/438,10,120][[1]]] (* or *) PadRight[{0},120,{5,0,2,2,8,3,1,0}] (* _Harvey P. Dale_, Jan 05 2020 *)

%o (MAGMA) n:=1/438; [0, 0] cat Reverse(Intseq(Floor(10^100*n))); // _Vincenzo Librandi_, Jan 06 2020

%K nonn,cons

%O 0,3

%A _N. J. A. Sloane_

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Last modified January 23 10:36 EST 2020. Contains 331171 sequences. (Running on oeis4.)