Number of n-game win/loss series that contain at least one dead game.

Terms

a(0) =0a(1) =0a(2) =4a(3) =4a(4) =20a(5) =24a(6) =88a(7) =116a(8) =372a(9) =520a(10) =1544a(11) =2248a(12) =6344a(13) =9520a(14) =25904a(15) =39796a(16) =105332a(17) =164904a(18) =427048a(19) =679064a(20) =1727640a(21) =2783440a(22) =6977744a(23) =11368904a(24) =28146120a(25) =46307664a(26) =113416528a(27) =188202256a(28) =456637712a(29) =763506784