2332033024domain: NAppears in sequencesa(n) = 2^(n-2)*(n^2 - n + 4).at n=24A053730a(n) = -2*a(n-1) + 4*a(n-3), with a(0) = 1, a(1) = -2, a(2) = 4.at n=34A099211Main diagonal of the square array A058395.at n=27A362179