Irregular triangle T read by rows: T(n, k) is the number of n-th order magic triangles with magic constant equal to A285009(n) + k, with 0 < k <= 3*n - 5.
A342384
Irregular triangle T read by rows: T(n, k) is the number of n-th order magic triangles with magic constant equal to A285009(n) + k, with 0 < k <= 3*n - 5.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =1a(4) =1a(5) =2a(6) =0a(7) =4a(8) =6a(9) =4a(10) =0a(11) =2a(12) =18a(13) =38a(14) =71a(15) =108a(16) =115a(17) =115a(18) =108a(19) =71a(20) =38a(21) =18a(22) =155a(23) =351a(24) =695a(25) =1067a(26) =1475a(27) =1815a(28) =2007a(29) =1815
External references
- oeis: A342384