0,3
Table of n, a(n) for n=0..8.
Index entries for sequences related to monoids
a(n) = A058133(n)*2 - A058129(n).
Cf. A058129, A058133.
Sequence in context: A179566 A107377 A286886 * A286071 A002851 A324618
Adjacent sequences: A058129 A058130 A058131 * A058133 A058134 A058135
nonn,more
Christian G. Bower, Nov 13 2000
a(8) from Max Alekseyev, Jul 13 2009
a(0) prepended by Jianing Song, Oct 26 2019
approved