Number of triangular nXnXn arrays colored with integers 0 upwards introduced in row major order, with no element equal to any neighbor, and containing the value n(n+1)/2-4.

A211901

Number of triangular nXnXn arrays colored with integers 0 upwards introduced in row major order, with no element equal to any neighbor, and containing the value n(n+1)/2-4.

Terms

    a(0) =0a(1) =0a(2) =15a(3) =1198a(4) =36845a(5) =481826a(6) =3783481a(7) =21275955a(8) =94456783a(9) =351372295a(10) =1138865701a(11) =3304768611a(12) =8756290720

External references