1,1

P. Cvitanovic, Group Theory, Princeton, 2008; see Eq. (21.1).

Table of n, a(n) for n=1..18.

Cf. A169929.

Sequence in context: A280946 A209724 A114842 * A067683 A338026 A164276

Adjacent sequences: A169925 A169926 A169927 * A169929 A169930 A169931

nonn,fini,full

N. J. A. Sloane, Jul 20 2010

approved