Total number of ascents in all faro permutations of length n.

Terms

a(0) =0a(1) =0a(2) =1a(3) =4a(4) =11a(5) =26a(6) =62a(7) =134a(8) =303a(9) =634a(10) =1394a(11) =2872a(12) =6206a(13) =12676a(14) =27068a(15) =54994a(16) =116423a(17) =235706a(18) =495722a(19) =1001168a(20) =2094714a(21) =4223020a(22) =8798756a(23) =17715084a(24) =36782246a(25) =73980516a(26) =153161332a(27) =307808464a(28) =635675228a(29) =1276699336