Number of 5X5X5 triangular 0..n arrays with some element less than a w, nw or ne neighbor exactly once.

A271037

Number of 5X5X5 triangular 0..n arrays with some element less than a w, nw or ne neighbor exactly once.

Terms

    a(0) =98a(1) =2420a(2) =29120a(3) =232432a(4) =1402082a(5) =6872424a(6) =28658242a(7) =104918592a(8) =344970188a(9) =1036183048a(10) =2880940360a(11) =7491977248a(12) =18376721948a(13) =42808972960a(14) =95252409300a(15) =203411012288a(16) =418599114270a(17) =833032325020

External references