A123827
Number of ways to build a contiguous building with n LEGO blocks of size 2 X 3 on top of a fixed block of the same size so that the building is symmetric after a rotation by 180 degrees.
Original entry on oeis.org
1, 13, 25, 352, 1006, 15510, 46928, 744211, 2479362
Offset: 1
A123829
Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 2 X 4 which is symmetric after a rotation by 180 degrees.
Original entry on oeis.org
1, 2, 44, 185, 3276, 15682, 282377, 1480410, 26264942
Offset: 1
A123824
Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 2 X 3.
Original entry on oeis.org
1, 16, 697, 34958, 1947321, 114675898, 7026150623, 443114008903, 28575438072945, 1875587744568411
Offset: 1
A123770
Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1 X 3.
Original entry on oeis.org
1, 8, 152, 3594, 96105, 2734356, 81126946, 2480378897, 77597683206, 2472038270424
Offset: 1
A123771
Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1 X 3 which is symmetric after a rotation by 180 degrees.
Original entry on oeis.org
1, 2, 12, 45, 264, 1128, 6991, 32202, 202856, 973242, 6204349
Offset: 1
A123772
Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1 X 3 which is flat, i.e., with all blocks in parallel position.
Original entry on oeis.org
1, 3, 17, 107, 761, 5607, 42730, 331851, 2618024, 20895964, 168398683, 1367838390, 11184711448, 91976811135
Offset: 1
A123773
Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1 X 3 which is flat, i.e., with all blocks in parallel position and symmetric after a rotation by 180 degrees.
Original entry on oeis.org
1, 1, 3, 4, 16, 24, 103, 163, 721, 1173, 5283, 8783, 39912, 67381, 308314, 526553, 2421040, 4172834, 19257309, 33438244, 154761065, 270372085
Offset: 1
A123774
Number of ways to build a contiguous building with n LEGO blocks of size 1 X 3 on top of a fixed block of the same size.
Original entry on oeis.org
14, 244, 5762, 147801, 4117161, 119893930, 3616711327, 111950012510, 3536272532516
Offset: 1
A123775
Number of ways to build a contiguous building with n LEGO blocks of size 1 X 3 on top of a fixed block of the same size so that the building is symmetric after a rotation by 180 degrees.
Original entry on oeis.org
2, 8, 24, 115, 451, 2474, 10377, 60048, 268402, 1600292, 7416480
Offset: 1
A123776
Number of ways to build a contiguous building with n LEGO blocks of size 1 X 3 on top of a fixed block of the same size so that the building is flat, i.e., with all blocks in parallel position.
Original entry on oeis.org
5, 28, 185, 1287, 9456, 71167, 549076, 4300975, 34154107, 273998400, 2217436152, 18074303774, 148232462372
Offset: 1
Showing 1-10 of 64 results.
Comments