A123798
Number of ways to build a contiguous building with n LEGO blocks of size 1 X 6 on top of a fixed block of the same size.
Original entry on oeis.org
47, 2944, 256193, 24607451, 2555265136, 278052511951
Offset: 1
A123799
Number of ways to build a contiguous building with n LEGO blocks of size 1 X 6 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, 22, 43, 1039, 3136, 81773, 267670, 7192059
Offset: 1
A123800
Number of ways to build a contiguous building with n LEGO blocks of size 1 X 6 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
11, 136, 1991, 30701, 500038, 8346595, 142812582, 2481290457, 43703296703
Offset: 1
A123802
Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1 X 7.
Original entry on oeis.org
1, 32, 3292, 401408, 53855801, 7664347918
Offset: 1
A123803
Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1 X 7 which is symmetric after a rotation by 180 degrees.
Original entry on oeis.org
1, 2, 52, 617, 6052, 86534, 814679, 12560687
Offset: 1
A123804
Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1 X 7 which is flat, i.e., with all blocks in parallel position.
Original entry on oeis.org
1, 7, 109, 1877, 35243, 685817, 13719483, 279714347, 5788634457
Offset: 1
A123805
Number of ways, counted up to symmetry, to build a contiguous building with n LEGO blocks of size 1 X 7 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, 7, 10, 100, 160, 1688, 2853, 30903, 53721, 592395, 1053025, 11711448, 21151575, 236789391, 432872895
Offset: 1
A123806
Number of ways to build a contiguous building with n LEGO blocks of size 1 X 7 on top of a fixed block of the same size.
Original entry on oeis.org
62, 5188, 603490, 77670923, 10795814511, 1572624052679
Offset: 1
A123807
Number of ways to build a contiguous building with n LEGO blocks of size 1 X 7 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, 28, 104, 1783, 9593, 187265, 1093734
Offset: 1
A123808
Number of ways to build a contiguous building with n LEGO blocks of size 1 X 7 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
13, 190, 3289, 59970, 1154985, 22797643, 461266481, 9477047041
Offset: 1
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