104879

Properties

Appears in sequences

• Triangle read by rows: T(n,k) is the number of self-avoiding paths of length n-1+2*k from NW to SW corners in the n X n grid graph (0 <= k <= A000217(n-1), n >= 1).at n=38A329633
• a(n) is the first number k such that the n Collatz runs starting at the consecutive numbers k, k+1, ..., k+n-1 all have the same prime-valued height while the runs starting at k-1 and k+n have nonprime heights.at n=15A339773
• Prime numbersat n=10014