84652646400domain: NAppears in sequencesVandermonde determinant of the first n numbers (1,3,4,6,7,9,10,...) = (j+floor(j/2)).at n=6A203430Vandermonde determinant of the first n terms of (2,3,5,6,8,9,...) = (j+floor((j+1)/2)).at n=6A203433