59515domain: NAppears in sequencesNumber of nX4 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 2,0,3,4,1 for x=0,1,2,3,4.at n=13A196206List of numbers k whose consecutive digits increase or decrease by d-1, where d is the number of digits in k.at n=94A292439