64944

Appears in sequences

• Base 3 digital convolution sequence.at n=24A033640
• Number of reduced 3 X 3 magilatin squares with largest entry n.at n=23A174018
• Number of (w,x,y,z) with all terms in {1,...,n} and w>2x and y<=3z.at n=24A212517
• a(n) = floor(bell(2n)/bell(n)^2), bell = A000110.at n=13A241906
• Sum of the 2nd smallest parts of all the partitions of n (2nd smallest part is defined to be 0 when the partition does not have at least 2 distinct parts).at n=36A265248
• Number of compositions of n that are neither weakly increasing nor weakly decreasing.at n=17A332834