A256030 a(n) = A255502(n)/2.

1, 2, 7, 23, 76, 250, 824, 2753, 9190, 30756, 103014, 345563

Offset

1,2

Links

Table of n, a(n) for n=1..12.

J. Beier, M. Olsen, A not-so-simple Lie bracket expansion, Involve, a Journal of Mathematics, Vol. 7 (2014), No. 5, 647-655 DOI: 10.2140/involve.2014.7.647.

Crossrefs

Cf. A255502.

Sequence in context: A291015 A273345 A042575 * A052924 A067324 A047062

Adjacent sequences: A256027 A256028 A256029 * A256031 A256032 A256033

Keyword

nonn,more

Author

N. J. A. Sloane, Mar 13 2015

Status

approved