(n-1)-st elementary symmetric function of the first n terms of the periodic sequence (4,1,2,3,4,1,2,3,...).
A203164
(n-1)-st elementary symmetric function of the first n terms of the periodic sequence (4,1,2,3,4,1,2,3,...).
Terms
- a(0) =1a(1) =5a(2) =14a(3) =50a(4) =224a(5) =320a(6) =736a(7) =2400a(8) =10176a(9) =12480a(10) =27264a(11) =86400a(12) =359424a(13) =414720a(14) =884736a(15) =2764800a(16) =11390976a(17) =12718080a(18) =26763264a(19) =82944000a(20) =339738624a(21) =371589120a(22) =775028736a(23) =2388787200a(24) =9746251776a(25) =10510663680a(26) =21785739264a(27) =66886041600
External references
- oeis: A203164