28984
domain: N
Appears in sequences
- Number of integers k not exceeding 2^n such that the cube of number of divisors [A000005(k)] is larger than k.at n=22A056764
- Number of (n+2) X 5 0..3 arrays with every 3 X 3 subblock commuting with each horizontal and vertical neighbor 3 X 3 subblock.at n=4A186875
- Number of (n+2) X 7 0..3 arrays with every 3 X 3 subblock commuting with each horizontal and vertical neighbor 3 X 3 subblock.at n=2A186877
- T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock commuting with each horizontal and vertical neighbor 3X3 subblock.at n=23A186881
- T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock commuting with each horizontal and vertical neighbor 3X3 subblock.at n=25A186881
- Number of 4-step left-handed knight's tours (moves only out two, left one) on an n X n board summed over all starting positions.at n=31A187174
- The number of antichains in the Tamari lattice of order n.at n=4A358562