Number of 0..n arrays of length 6 with 0 never adjacent to n.

Terms

a(0) =2a(1) =239a(2) =2258a(3) =10727a(4) =35954a(5) =97127a(6) =226274a(7) =472943a(8) =909602a(9) =1637759a(10) =2794802a(11) =4561559a(12) =7170578a(13) =10915127a(14) =16158914a(15) =23346527a(16) =33014594a(17) =45803663a(18) =62470802a(19) =83902919a(20) =111130802a(21) =145343879a(22) =187905698a(23) =240370127a(24) =304498274a(25) =382276127