587047

Appears in sequences

• Number of sensed genus 1 maps with n edges.at n=6A006386
• Integers n such that p = 4n + 1, q = 4p + 3, r = 4q + 5, s = 4r + 7 and t = 4s + 9 are all prime.at n=33A243528
• Triangle read by rows: T(n,k) is the number of sensed combinatorial maps with n edges and genus k, 0 <= k <= floor(n/2).at n=21A379438