1,3

Table of n, a(n) for n=1..86.

u = 1.13209039330591770397227318699762818913452272138359826435...

r = NIntegrate[Sqrt[1 + 1/x^4], {x, 1, 2}, WorkingPrecision -> 200]

RealDigits[r][[1]]

Cf. A333202.

Sequence in context: A116191 A257303 A048199 * A152441 A248181 A229728

Adjacent sequences: A335995 A335996 A335997 * A335999 A336000 A336001

nonn,cons

Clark Kimberling, Jul 06 2020

approved