2796200domain: NAppears in sequencesa(n) = abs(A154879(n+1)).at n=22A115341a(n) = (2^n + 2*(-1)^n - 6)/3.at n=23A153772Third differences of the Jacobsthal sequence A001045.at n=23A154879a(n) = 2*(1+(-1)^n)/3 + 2*A010892(n-1).at n=23A191370