116104
domain: N
Appears in sequences
- Subtract n from partial sums of partial sums of Catalan numbers.at n=11A294790
- a(n) is the surface area of the symmetric tower described in A221529 which is a polycube whose successive terraces are the symmetric representation of sigma A000203(i) (from i = 1 to n) starting from the top and the levels of these terraces are the partition numbers A000041(h-1) (from h = 1 to n) starting from the base.at n=30A345023