34239

Appears in sequences

• In the '3x+1' problem, these values for the starting value set new records for number of steps to reach 1.at n=31A006877
• In the '3x+1' problem, these values for the starting value set new records for number of steps to reach 1.at n=25A033958
• Number of 4-step S, E, and NW-moving king's tours on an n X n board summed over all starting positions.at n=41A187509
• Number of (n+6)X8 0..1 matrices with each 7X7 subblock idempotent.at n=8A224582
• Number of 2 X 2 0..n arrays with rows and columns in lexicographically nondecreasing order.at n=16A229795
• Composite numbers k such that A006577(k) sets a new record.at n=26A346591
• Irregular triangle read by rows: T(n,k) is the number of flattened Catalan words of length n with exactly k symmetric valleys, with k >= 0.at n=32A372875
• a(n) = Sum_{k=0..floor(n/3)} binomial(n+k-1,k) * binomial(2*n-1,n-3*k).at n=8A378464