688976

Appears in sequences

• T(n,k) = 2*A046802(n,k) - A007318(n,k), triangle read by rows (0 <= k <= n).at n=49A168287
• T(n,k) = 2*A046802(n,k) - A007318(n,k), triangle read by rows (0 <= k <= n).at n=50A168287
• Number of unsensed genus 4 maps with n edges.at n=9A297880
• Triangle read by rows: T(n,k) is the number of unsensed combinatorial maps with n edges and genus k, 0 <= k <= floor(n/2).at n=29A379439