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A265305
Decimal expansion of Sum_{k>=1} (c(2k)-c(2k-1)), where c = convergents to sqrt(8).
4
1, 0, 3, 4, 3, 4, 8, 4, 4, 0, 4, 4, 1, 3, 4, 3, 7, 7, 2, 4, 3, 9, 9, 2, 8, 7, 0, 4, 6, 7, 7, 3, 3, 8, 4, 7, 2, 2, 1, 1, 0, 4, 2, 7, 1, 4, 6, 9, 9, 9, 4, 2, 1, 0, 7, 0, 9, 4, 3, 8, 3, 3, 2, 7, 4, 7, 4, 3, 7, 9, 7, 1, 7, 6, 4, 6, 6, 0, 6, 1, 7, 0, 5, 9, 3, 1
OFFSET
1,3
EXAMPLE
sum = 1.0343484404413437724399287046773384722110427146999...
MATHEMATICA
x = Sqrt[8]; z = 600; c = Convergents[x, z];
s1 = Sum[x - c[[2 k - 1]], {k, 1, z/2}]; N[s1, 200]
s2 = Sum[c[[2 k]] - x, {k, 1, z/2}]; N[s2, 200]
N[s1 + s2, 200]
RealDigits[s1, 10, 120][[1]] (* A265303 *)
RealDigits[s2, 10, 120][[1]] (* A265304 *)
RealDigits[s1 + s2, 10, 120][[1]](* A265305 *)
CROSSREFS
Cf. A010466, A265303, A265304, A265288 (guide).
Sequence in context: A006984 A361458 A087275 * A072942 A025267 A223169
KEYWORD
nonn,cons
AUTHOR
Clark Kimberling, Dec 13 2015
STATUS
approved