Number of terms in a skew determinant: a(n) = (A000085(n) + A081919(n))/2.
A002771
Number of terms in a skew determinant: a(n) = (A000085(n) + A081919(n))/2.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =13a(4) =41a(5) =226a(6) =1072a(7) =9374a(8) =60958a(9) =723916a(10) =5892536a(11) =86402812a(12) =837641884a(13) =14512333928a(14) =162925851376
External references
- oeis: A002771