Number T(n, k) of ways to place k points on an n X n X n triangular grid so that no pair of them has distance sqrt(3). Triangle read by rows.
A244500
Number T(n, k) of ways to place k points on an n X n X n triangular grid so that no pair of them has distance sqrt(3). Triangle read by rows.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =3a(4) =3a(5) =1a(6) =1a(7) =6a(8) =12a(9) =8a(10) =1a(11) =10a(12) =36a(13) =55a(14) =33a(15) =9a(16) =1a(17) =15a(18) =87a(19) =248a(20) =378a(21) =339a(22) =187a(23) =63a(24) =12a(25) =1a(26) =1a(27) =21a(28) =180a(29) =820
External references
- oeis: A244500