45464

Appears in sequences

• Partition the concatenation 1234567...of natural numbers into successive strings which are multiples of 4, all different and > 4. (0 never taken as the most significant digit.)at n=15A077297
• Partition the concatenation 1234567...of natural numbers into successive strings which are multiples of 8, all different and > 8. (0 never taken as the most significant digit.)at n=8A077301
• Number of 3-step knight's tours on an (n+2) X (n+2) board summed over all starting positions.at n=28A186852
• a(n) = 108*n^2 - 104*n + 20 (n>=1).at n=20A304835
• Number of nX4 0..1 arrays with every element unequal to 0, 1, 3, 6 or 8 king-move adjacent elements, with upper left element zero.at n=13A305478
• a(n) is the number of regular hexagons with all six vertices (x,y,z) in the set {1,2,...,n}^3.at n=15A338322