1,2

G. Kreweras, Complexite et circuits Euleriens dans la sommes tensorielles de graphes, J. Combin. Theory, B 24 (1978), 202-212.

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

Adjacent sequences: A006236 A006237 A006238 this_sequence A006240 A006241 A006242

Sequence in context: A038384 A038385 A084901 this_sequence A142040 A002648 A055840

nonn

njas