1,2

B. D. McKay, Isomorph-free exhaustive generation, J Algorithms, 26 (1998) 306-324..

Cf. A006786.

Adjacent sequences: A138344 A138345 A138346 this_sequence A138348 A138349 A138350

Sequence in context: A032291 A063687 A002988 this_sequence A036650 A049889 A014270

nonn

Vladeta Jovovic (vladeta(AT)Eunet.yu), May 18 2008