A356075 a(n) = floor(m), where li(m) = n and li is the logarithmic integral. We consider only real and positive m.

1, 2, 4, 5, 7, 9, 11, 14, 17, 20, 23, 26, 29, 33, 36, 40, 44, 48, 52, 56, 60, 64, 68, 72, 77, 81, 85, 90, 94, 99, 104, 108, 113, 118, 122, 127, 132, 137, 142, 147, 152, 157, 162, 167, 172, 178, 183, 188, 193, 198, 204, 209, 214, 220, 225, 231, 236, 242, 247, 253, 258

Offset

1,2

Comments

We use for li(x) and x > 1 the Cauchy principal value of Integral_{0..x} dt/log(t). This is stated to prevent confusion with Li(x), which is often defined so that Li(x) = li(x) - li(2).

Links

Table of n, a(n) for n=1..61.

Crossrefs

Cf. A052435, A089963, A096353, A223853, A337734, A337735.

Sequence in context: A259280 A186388 A058577 * A071917 A338758 A051060

Adjacent sequences: A356072 A356073 A356074 * A356076 A356077 A356078

Keyword

nonn

Author

Thomas Scheuerle, Jul 25 2022

Status

approved