A337268 A335703(2n+1).

2, 5, 16, 52, 174, 618, 2300, 8764, 34038, 133858, 530876, 2112904, 8417830, 33592910, 134211556, 536403988, 2144322638

Offset

0,1

Links

Table of n, a(n) for n=0..16.

Crossrefs

Cf. A328078, A335703, A337267, A337269.

Sequence in context: A148390 A232317 A148391 * A148392 A149956 A149957

Adjacent sequences: A337265 A337266 A337267 * A337269 A337270 A337271

Keyword

nonn,more

Author

Rémy Sigrist and N. J. A. Sloane, Aug 26 2020

Status

approved