A298852 - OEIS

A298852

Decimal expansion of the greatest real zero of x^4 - 4*x^2 - x + 3.

1, 9, 2, 6, 3, 0, 3, 2, 1, 9, 9, 1, 2, 4, 3, 9, 6, 7, 7, 0, 6, 7, 8, 1, 0, 5, 7, 8, 9, 5, 5, 4, 4, 3, 5, 1, 5, 2, 0, 0, 9, 1, 2, 6, 5, 3, 9, 7, 2, 6, 9, 7, 9, 3, 6, 0, 6, 9, 8, 2, 5, 6, 0, 8, 7, 7, 3, 3, 9, 5, 1, 7, 0, 2, 5, 4, 2, 3, 6, 7, 7, 2, 4, 7, 3, 5

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OFFSET

1,2

COMMENTS

Let (d(n)) = (2,1,2,1,2,1,...), s(n) = (s(n-1) + d(n))^(1/2) for n > 0, and s(0) = 1.

Then s(2n) -> 1.9263032199..., as in A298852;

s(2n+1) -> 1.710644095..., as in A298853;

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..10000

EXAMPLE

Greatest real zero = 1.9263032199...

MATHEMATICA