Number of nonnegative integer arrays of length n+4 with new values 0 upwards introduced in order, no three adjacent elements equal, and containing the value n+1.
A211837
Number of nonnegative integer arrays of length n+4 with new values 0 upwards introduced in order, no three adjacent elements equal, and containing the value n+1.
Terms
- a(0) =33a(1) =77a(2) =157a(3) =289a(4) =492a(5) =788a(6) =1202a(7) =1762a(8) =2499a(9) =3447a(10) =4643a(11) =6127a(12) =7942a(13) =10134a(14) =12752a(15) =15848a(16) =19477a(17) =23697a(18) =28569a(19) =34157a(20) =40528a(21) =47752a(22) =55902a(23) =65054a(24) =75287a(25) =86683a(26) =99327a(27) =113307a(28) =128714a(29) =145642
External references
- oeis: A211837