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A346583
Decimal expansion of 301 * Pi^7 / (524880 * sqrt(3)).
3
9, 9, 9, 9, 8, 8, 3, 7, 7, 4, 0, 9, 4, 0, 5, 7, 8, 7, 8, 6, 2, 1, 9, 1, 3, 6, 8, 3, 6, 1, 8, 6, 3, 1, 4, 4, 4, 1, 0, 6, 6, 1, 8, 2, 2, 4, 7, 5, 5, 4, 0, 7, 2, 1, 9, 8, 4, 6, 1, 3, 5, 7, 5, 9, 1, 1, 0, 2, 3, 3, 0, 8, 6, 5, 2, 2, 7, 4, 6, 3, 0, 1, 0, 1, 2, 3, 1
OFFSET
0,1
REFERENCES
L. B. W. Jolley, Summation of Series, Dover, 1961, Eq. (314).
FORMULA
Equals 7 * 43 * Pi^7 / (6! * 3^6 * sqrt(3)).
Equals 1 + Sum_{k>=1} ( 1/(6*k+1)^7 - 1/(6*k-1)^7 ).
EXAMPLE
0.999988377409405787862191368361863144410...
MATHEMATICA
First[RealDigits[N[7 * 43 * Pi^7 / (6! * 3^6 * Sqrt[3]), 88]]] (* Stefano Spezia, Jul 24 2021 *)
CROSSREFS
KEYWORD
nonn,cons,easy
AUTHOR
Sean A. Irvine, Jul 24 2021
STATUS
approved