0,2
Table of n, a(n) for n=0..16.
Cf. A328078, A335703, A337268, A337269.
Sequence in context: A074003 A078844 A144817 * A337034 A250128 A199137
Adjacent sequences: A337264 A337265 A337266 * A337268 A337269 A337270
nonn,more
Rémy Sigrist and N. J. A. Sloane, Aug 26 2020
approved