A123784
Number of ways to build a contiguous building with n LEGO blocks of size 1 X 4 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
7, 55, 511, 5000, 51674, 547204, 5940045, 65472189, 731569499, 8258444996, 94045306573
Offset: 1
A123785
Number of ways to build a contiguous building with n LEGO blocks of size 1 X 4 on top of a fixed block of the same size so that the building is flat, i.e., with all blocks in parallel position and symmetric after a rotation by 180 degrees.
Original entry on oeis.org
1, 3, 5, 16, 36, 124, 287, 1043, 2573, 9448, 24161, 89827, 235902, 886047, 2372494, 8968829, 24410414, 92783928, 255723571, 976331352
Offset: 1
A123786
Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1 X 5.
Original entry on oeis.org
1, 18, 952, 60878, 4319328, 325354277, 25539764546, 2066227060325
Offset: 1
A123787
Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1 X 5 which is symmetric after a rotation by 180 degrees.
Original entry on oeis.org
1, 2, 28, 192, 1680, 13644, 118916, 1044873, 9160772
Offset: 1
A123788
Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1 X 5 which is flat, i.e., with all blocks in parallel position.
Original entry on oeis.org
1, 5, 53, 623, 8075, 108463, 1499542, 21128897, 302219695, 4373563505
Offset: 1
A123789
Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1 X 5 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, 5, 7, 49, 77, 572, 949, 7245, 12361, 96063, 167564, 1313467, 2327488, 18365795, 32936281, 261111133, 472694546
Offset: 1
A123790
Number of ways to build a contiguous building with n LEGO blocks of size 1 X 5 on top of a fixed block of the same size.
Original entry on oeis.org
34, 1516, 93664, 6366476, 468438942, 36108392112, 2882260782674
Offset: 1
A123791
Number of ways to build a contiguous building with n LEGO blocks of size 1 X 5 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, 16, 56, 552, 2722, 30836, 164018, 1941658
Offset: 1
A123792
Number of ways to build a contiguous building with n LEGO blocks of size 1 X 5 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
9, 91, 1089, 13726, 182736, 2493062, 34865595, 495114895, 7127585291
Offset: 1
A123793
Number of ways to build a contiguous building with n LEGO blocks of size 1 X 5 on top of a fixed block of the same size so that the building is flat, i.e., with all blocks in parallel position and symmetric after a rotation by 180 degrees.
Original entry on oeis.org
1, 3, 5, 18, 42, 170, 405, 1769, 4507, 20081, 53008, 240428, 652160, 3002052, 8299727, 38570944, 108387118, 507729121, 1444491686, 6809942459
Offset: 1
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