A vector recursion designed around a factorial row sum : v(n)=if[odd,{1.n,n^2,...,n!-Sum[2^m,{m,0,n/2-1}],n!-Sum2^m,{m,0,n/2-1}],...n^2.n,1}],if[ even{1.n,n^2,...,n!-2Sum[2^m,{m,0,n/2-1}],...n^2.n,1}].
A152937
A vector recursion designed around a factorial row sum : v(n)=if[odd,{1.n,n^2,...,n!-Sum[2^m,{m,0,n/2-1}],n!-Sum2^m,{m,0,n/2-1}],...n^2.n,1}],if[ even{1.n,n^2,...,n!-2Sum[2^m,{m,0,n/2-1}],...n^2.n,1}].
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =0a(5) =1a(6) =1a(7) =2a(8) =2a(9) =1a(10) =1a(11) =4a(12) =14a(13) =4a(14) =1a(15) =1a(16) =5a(17) =54a(18) =54a(19) =5a(20) =1a(21) =1a(22) =6a(23) =36a(24) =634a(25) =36a(26) =6a(27) =1a(28) =1a(29) =7
External references
- oeis: A152937