1,2

See Nussbaum and Verduyn Lunel (2003) for precise definition.

Table of n, a(n) for n=1..80.

Nussbaum, Roger D.; Verduyn Lunel, Sjoerd M., Asymptotic estimates for the periods of periodic points of non-expansive maps, Ergodic Theory Dynam. Systems 23 (2003), no. 4, 1199--1226. See Table 1 and the function n*d_n. MR1997973 (2004m:37033)

Cf. A222416, A008475.

Sequence in context: A237824 A227972 A266620 * A022473 A214921 A265566

Adjacent sequences: A222412 A222413 A222414 * A222416 A222417 A222418

nonn

N. J. A. Sloane, Feb 28 2013

approved