(n-1)-st elementary symmetric function of the first n terms of the periodic sequence (2,3,2,3,2,3,...).
A203232
(n-1)-st elementary symmetric function of the first n terms of the periodic sequence (2,3,2,3,2,3,...).
Terms
- a(0) =1a(1) =5a(2) =16a(3) =60a(4) =156a(5) =540a(6) =1296a(7) =4320a(8) =9936a(9) =32400a(10) =72576a(11) =233280a(12) =513216a(13) =1632960a(14) =3545856a(15) =11197440a(16) =24074496a(17) =75582720a(18) =161243136a(19) =503884800a(20) =1068235776a(21) =3325639680a(22) =7014076416a(23) =21767823360a(24) =45712429056a(25) =141490851840
External references
- oeis: A203232