18715

Appears in sequences

• An upper bound for linearized chord diagrams.at n=9A022489
• Number of 7 X 7 binary matrices with n ones, with no zero rows or columns, up to row and column permutation.at n=7A056079
• Number of Dyck paths of semilength n such that each level has exactly six peaks or no peaks.at n=17A288113
• Numbers m such that 72*m + 1, 576*m + 1, 648*m + 1, 1296*m + 1, and 2592*m + 1 are all primes.at n=7A372187