1,3

C. Banderier, J.-M. Le Bars and V. Ravelomanana, Generating functions for kernels of digraphs

Equals A097629(n) - A097630(n).

Sequence in context: A068003 A104099 A129897 this_sequence A130768 A001624 A096476

Adjacent sequences: A097628 A097629 A097630 this_sequence A097632 A097633 A097634

nonn

Ralf Stephan, Aug 17 2004