Inverse binomial transform of A083590.

Terms

a(0) =1a(1) =4a(2) =16a(3) =64a(4) =256a(5) =1025a(6) =4095a(7) =16395a(8) =65545a(9) =262250a(10) =1048875a(11) =4195700a(12) =16782525a(13) =67130375a(14) =268521500a(15) =1074085000a(16) =4296343625a(17) =17185365000a(18) =68741481250a(19) =274965882500