Number of 0..n arrays of length 6 with each element unequal to at least one neighbor, starting with 0.

A221465

Number of 0..n arrays of length 6 with each element unequal to at least one neighbor, starting with 0.

Terms

    a(0) =5a(1) =88a(2) =513a(3) =1856a(4) =5125a(5) =11880a(6) =24353a(7) =45568a(8) =79461a(9) =131000a(10) =206305a(11) =312768a(12) =459173a(13) =655816a(14) =914625a(15) =1249280a(16) =1675333a(17) =2210328a(18) =2873921a(19) =3688000a(20) =4676805a(21) =5867048a(22) =7288033a(23) =8971776a(24) =10953125a(25) =13269880a(26) =15962913a(27) =19076288a(28) =22657381a(29) =26757000

External references