A351164 - OEIS

%I #5 Feb 04 2022 03:58:31

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

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

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

%N Decimal expansion of gamma * BesselI(0,2) + BesselK(0,2).

%F Equals Sum_{k>=1} H(k) / (k!)^2, where H(k) is the k-th harmonic number.

%e 1.4297062187372083131867465655452809577372778968399203468724...

%t RealDigits[EulerGamma BesselI[0, 2] + BesselK[0, 2], 10, 110] [[1]]

%Y Cf. A001008, A001044, A001620, A002805, A070910, A152648, A347952.

%K nonn,cons

%O 1,2

%A _Ilya Gutkovskiy_, Feb 03 2022