1,1

Walsh, T. R. S.; Lehman, A. B.; Counting rooted maps by genus. III: Nonseparable maps. J. Combinatorial Theory Ser. B 18 (1975), 222-259.

Adjacent sequences: A006410 A006411 A006412 this_sequence A006414 A006415 A006416

Sequence in context: A068531 A020541 A027682 this_sequence A055316 A004784 A119657

nonn

njas