31346

Appears in sequences

• Triangle giving T(n,k) = number of (n,k) labeled rooted Greg trees (n >= 1, 0<=k<=n-1).at n=17A048160
• Base-6 analog of A208059.at n=93A212995
• Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally.at n=9A259002
• Number of set partitions of [2n] with symmetric block size list of length n.at n=6A275283
• Number of set partitions of [2n] with symmetric block size list of length six.at n=3A275294
• Number of set partitions of [n] with symmetric block size list of length A004525(n).at n=12A305197