HARMONIOUS, GRACEFUL, ODD GRACEFUL AND FELICITOUS LABELLING
Periyasami Selvaraju, P. Balaganesan, J. Renuka · 2013
In this paper, we prove that the D2(Pn) is an even sequential har- monious and graceful graph, D2(K1,n) an even sequential harmonious, graceful graph, odd graceful and felicitous graph, spl(Pn) is an even sequential harmo- nious and odd graceful graph, spl(K1,n) is an even sequential harmonious and felicitous graph.