2*A203579 - A204449. Difference between the exponential convolution of A000032 (Lucas) with itself and the corresponding exponential half-convolution.

A204450

2*A203579 - A204449. Difference between the exponential convolution of A000032 (Lucas) with itself and the corresponding exponential half-convolution.

Terms

    a(0) =0a(1) =2a(2) =6a(3) =17a(4) =30a(5) =177a(6) =417a(7) =1857a(8) =4302a(9) =19457a(10) =47731a(11) =203777a(12) =509769a(13) =2134017a(14) =5462701a(15) =22347777a(16) =58104062a(17) =234029057a(18) =616919457a(19) =2450784257a(20) =6533317815a(21) =25664946177a(22) =69085604341a(23) =268766806017a(24) =729558799305

External references