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A108800 Number of nonisomorphic systems enumerated by A102895. 7
2, 2, 6, 28, 330, 28960, 216562364 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..6.

CROSSREFS

Equals 2*A108798(n). First differences of A193675.

Cf. A102894, A102895, A102896, A102897, A108798, A193674, A193675.

Sequence in context: A214446 A179320 A004304 * A270487 A058250 A179929

Adjacent sequences:  A108797 A108798 A108799 * A108801 A108802 A108803

KEYWORD

nonn,more

AUTHOR

Don Knuth, Jul 01 2005

EXTENSIONS

a(6) added (using A193675) by N. J. A. Sloane, Aug 02 2011

STATUS

approved

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Last modified November 19 02:01 EST 2018. Contains 317332 sequences. (Running on oeis4.)