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A367709
Decimal expansion of BesselJ(0,2*sqrt(2)) (negated).
2
1, 9, 6, 5, 4, 8, 0, 9, 5, 2, 7, 0, 4, 6, 8, 2, 0, 0, 0, 4, 0, 7, 9, 3, 3, 7, 2, 0, 8, 7, 9, 3, 2, 2, 3, 1, 3, 2, 5, 8, 8, 9, 7, 8, 7, 3, 1, 0, 8, 9, 3, 0, 7, 7, 1, 8, 0, 5, 7, 3, 4, 2, 9, 5, 1, 3, 9, 4, 8, 8, 2, 6, 3, 4, 4, 4, 4, 0, 6, 1, 6, 9, 8, 8, 0, 1, 5, 9, 3, 4, 3, 5, 7, 6, 9, 8, 4, 9, 3, 9
OFFSET
0,2
FORMULA
Equals Sum_{k>=0} (-2)^k / k!^2.
EXAMPLE
-0.19654809527046820004079337208793223...
MATHEMATICA
RealDigits[BesselJ[0, 2 Sqrt[2]], 10, 100][[1]]
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Ilya Gutkovskiy, Nov 28 2023
STATUS
approved