1,2

Table of n, a(n) for n=1..64.

A111118(680) = 4, hence a(4) = 680.

Cf. A111118, A111187.

Sequence in context: A316572 A216571 A299046 * A180057 A222316 A255383

Adjacent sequences: A113311 A113312 A113313 * A113315 A113316 A113317

nonn

Klaus Brockhaus, Oct 25 2005

approved