31197

Appears in sequences

• Number of permutations of length n which avoid the patterns 1234, 3421, 4312.at n=38A116756
• spt(n) - p(n): total number of smallest parts in all partitions of n minus the number of partitions of n.at n=31A215513
• Number of n X 3 0..1 arrays with every element unequal to 0, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.at n=6A316927
• Number of n X 7 0..1 arrays with every element unequal to 0, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.at n=2A316931
• T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.at n=38A316932
• T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 2, 3, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero.at n=42A316932
• Number of n X 7 0..1 arrays with every element unequal to 0, 2, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.at n=2A317702
• T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 2, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.at n=38A317703
• T(n,k)=Number of nXk 0..1 arrays with every element unequal to 0, 2, 3, 4, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero.at n=42A317703
• Number of vertices in a Y-shaped polygon with equal arms of length n (see the Comments in A335861 for definition).at n=14A337790