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A021459 Decimal expansion of 1/455. 1
0, 0, 2, 1, 9, 7, 8, 0, 2, 1, 9, 7, 8, 0, 2, 1, 9, 7, 8, 0, 2, 1, 9, 7, 8, 0, 2, 1, 9, 7, 8, 0, 2, 1, 9, 7, 8, 0, 2, 1, 9, 7, 8, 0, 2, 1, 9, 7, 8, 0, 2, 1, 9, 7, 8, 0, 2, 1, 9, 7, 8, 0, 2, 1, 9, 7, 8, 0, 2, 1, 9, 7, 8, 0, 2, 1, 9, 7, 8, 0, 2, 1, 9, 7, 8, 0, 2, 1, 9, 7, 8, 0, 2, 1, 9, 7, 8, 0, 2 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Table of n, a(n) for n=0..98.

FORMULA

a(n)=(1/30)*{4*(n mod 6)+19*[(n+1) mod 6]-31*[(n+2) mod 6]+14*[(n+3) mod 6]-[(n+4) mod 6]+49*[(n+5) mod 6]}-8*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, Nov 11 2009]

MATHEMATICA

Join[{0, 0}, RealDigits[1/455, 10, 120][[1]]] (* Harvey P. Dale, Aug 19 2011 *)

CROSSREFS

Sequence in context: A316606 A016632 A176400 * A133169 A133175 A188659

Adjacent sequences:  A021456 A021457 A021458 * A021460 A021461 A021462

KEYWORD

nonn,cons

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified June 12 10:58 EDT 2021. Contains 344947 sequences. (Running on oeis4.)