Number of length-4 0..n arrays with no repeated value differing from the previous repeated value by one or less.

A269607

Number of length-4 0..n arrays with no repeated value differing from the previous repeated value by one or less.

Terms

    a(0) =8a(1) =62a(2) =222a(3) =572a(4) =1220a(5) =2298a(6) =3962a(7) =6392a(8) =9792a(9) =14390a(10) =20438a(11) =28212a(12) =38012a(13) =50162a(14) =65010a(15) =82928a(16) =104312a(17) =129582a(18) =159182a(19) =193580a(20) =233268a(21) =278762a(22) =330602a(23) =389352a(24) =455600a(25) =529958a(26) =613062a(27) =705572a(28) =808172a(29) =921570

External references