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A348607
Decimal expansion of BesselJ(1,2).
2
5, 7, 6, 7, 2, 4, 8, 0, 7, 7, 5, 6, 8, 7, 3, 3, 8, 7, 2, 0, 2, 4, 4, 8, 2, 4, 2, 2, 6, 9, 1, 3, 7, 0, 8, 6, 9, 2, 0, 3, 0, 2, 6, 8, 9, 7, 1, 9, 6, 7, 5, 4, 4, 0, 1, 2, 1, 1, 3, 9, 0, 2, 0, 7, 6, 4, 0, 8, 7, 1, 1, 6, 2, 8, 9, 6, 1, 2, 1, 8, 4, 9, 4, 8, 3, 9, 9
OFFSET
0,1
FORMULA
Equals Sum_{k>=0} (-1)^k/(k!*(k+1)!).
EXAMPLE
0.5767248077568733872...
MATHEMATICA
RealDigits[BesselJ[1, 2], 10, 100][[1]] (* Amiram Eldar, Oct 25 2021 *)
PROG
(Sage)
bessel_J(1, 2).n(digits=100)
(PARI) besselj(1, 2) \\ Michel Marcus, Oct 25 2021
CROSSREFS
Bessel function values: A334380 (J(0,1)), A091681 (J(0,2)), A334383 (J(0,sqrt(2)), this sequence (J(1,2)), A197036 (I(0,1)), A070910 (I(0,2)), A334381 (I(0,sqrt(2)), A096789 (I(1,2)).
Sequence in context: A258148 A193013 A220607 * A200097 A314371 A217678
KEYWORD
nonn,cons
AUTHOR
Dumitru Damian, Oct 25 2021
STATUS
approved