59542

Appears in sequences

• Antichains (or order ideals) in the poset 2*2*3*n or size of the distributive lattice J(2*2*3*n).at n=4A006360
• Antichains (or order ideals) in the poset 2*2*4*n or size of the distributive lattice J(2*2*4*n).at n=3A006361
• Antichains (or order ideals) in the poset 2*3*4*n or size of the distributive lattice J(2*3*4*n).at n=2A056936