Second convolution of A002605(n) (generalized (2,2)-Fibonacci), n >= 0, with itself.

A073389

Second convolution of A002605(n) (generalized (2,2)-Fibonacci), n >= 0, with itself.

Terms

    a(0) =1a(1) =6a(2) =30a(3) =128a(4) =504a(5) =1872a(6) =6672a(7) =23040a(8) =77616a(9) =256288a(10) =832416a(11) =2666496a(12) =8441600a(13) =26454528a(14) =82174464a(15) =253280256a(16) =775316736a(17) =2358812160a(18) =7137023488a(19) =21487386624a(20) =64401106944a(21) =192229535744a(22) =571630694400

External references