a(n) = self-convolution of row n of array T given by A026536.

A027267

a(n) = self-convolution of row n of array T given by A026536.

Terms

    a(0) =1a(1) =2a(2) =8a(3) =26a(4) =196a(5) =692a(6) =5774a(7) =21142a(8) =180772a(9) =675344a(10) =5837908a(11) =22087716a(12) =192239854a(13) =733698032a(14) =6416509142a(15) =24645099530a(16) =216309089956a(17) =834847581048

External references