Total number of graceful labelings of connected graphs with n edges.

A329788

Total number of graceful labelings of connected graphs with n edges.

Terms

    a(0) =1a(1) =2a(2) =6a(3) =24a(4) =116a(5) =672a(6) =4520a(7) =35050a(8) =303468a(9) =2934652a(10) =31145346a(11) =361323708a(12) =4535359000a(13) =61431851046a(14) =890284097146

External references