64453

Properties

Appears in sequences

• Numbers k such that the first 9 digits of the k-th Lucas number are 1-9 pandigital.at n=24A216489
• Intersection of A013917 and A071150.at n=29A255017
• Array read by antidiagonals: A(n,k) is the number of T_0 n-regular set-systems on a k-set.at n=49A331039
• Number of binary matrices with n distinct columns and any number of distinct nonzero rows with 4 ones in every column and rows in decreasing lexicographic order.at n=5A331655
• Number of edge cuts in the n-web graph.at n=4A377773
• Prime numbersat n=6450