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A030242 Number of n-point nonisomorphic relations with no symmetry. 3
1, 2, 6, 70, 2464, 268266 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..5.

CROSSREFS

Sequence in context: A156458 A244494 A136268 * A037293 A129785 A000896

Adjacent sequences:  A030239 A030240 A030241 * A030243 A030244 A030245

KEYWORD

nonn,more

AUTHOR

Christian G. Bower

STATUS

approved

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Last modified March 26 05:43 EDT 2019. Contains 321481 sequences. (Running on oeis4.)