Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,4,1,2 for x=0,1,2,3,4.
A196143
Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,4,1,2 for x=0,1,2,3,4.
Terms
- a(0) =8a(1) =34a(2) =49a(3) =168a(4) =481a(5) =1031a(6) =2781a(7) =7666a(8) =19581a(9) =50767a(10) =133067a(11) =347285a(12) =908050a(13) =2376097a(14) =6205040a(15) =16210548a(16) =42388933a(17) =110845205a(18) =289736000a(19) =757344081a(20) =1979883152a(21) =5176072691a(22) =13531879986a(23) =35376145849a(24) =92481993251a(25) =241773334844
External references
- oeis: A196143