Number of length 6 nonnegative integer arrays starting and ending with 0 with adjacent elements unequal but differing by no more than n.
A205343
Number of length 6 nonnegative integer arrays starting and ending with 0 with adjacent elements unequal but differing by no more than n.
Terms
- a(0) =0a(1) =24a(2) =138a(3) =454a(4) =1130a(5) =2370a(6) =4424a(7) =7588a(8) =12204a(9) =18660a(10) =27390a(11) =38874a(12) =53638a(13) =72254a(14) =95340a(15) =123560a(16) =157624a(17) =198288a(18) =246354a(19) =302670a(20) =368130a(21) =443674a(22) =530288a(23) =629004a(24) =740900a(25) =867100a(26) =1008774a(27) =1167138a(28) =1343454a(29) =1539030
External references
- oeis: A205343