1301860

Appears in sequences

• a(n) = (n+1)*(n+2)^2*(n+3)*(n+4)*(5*n^2 + 18*n + 15)/720.at n=13A107962
• T(n, k) is the total number of symmetric peaks in all partitions of n with exactly k blocks, n >= 3, 2 <= k <= n-1.at n=48A373288