A086999 - OEIS

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A086999

Periodic part of decimal expansion of 1/p for those primes having a periodic part of even length.

142857, 90, 769230, 5882352941176470, 526315789473684210, 4347826086956521739130, 3448275862068965517241379310, 2127659574468085106382978723404255319148936170

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OFFSET

1,1

COMMENTS

A087001(n)=floor(a(n)/10^A087000(n)), A087002(n)=a(n) mod 10^A087000(n);

A087001(n) + A087002(n) = 10^A087000(n) - 1;

a(n) = A087001(n)*10^A087000(n) + A087002(n).

REFERENCES

H. Rademacher and O. Toeplitz, Von Zahlen und Figuren (Springer 1930, reprinted 1968), ch. 19, Die periodischen Dezimalbrueche.

LINKS

Table of n, a(n) for n=1..8.

Eric Weisstein's World of Mathematics, Decimal Expansion