19770

Appears in sequences

• Number of distinct languages accepted by unary DFA's with n states.at n=10A059413
• Number of polyominoes with n cells that tile the plane by 180-degree rotation (Conway criterion).at n=11A075202
• Number of permutations of length n which avoid the patterns 2341, 4312.at n=9A116704
• Floor( ( n + 1/n )^6 ).at n=4A197605
• Number of partitions of n such that the (sum of distinct even parts) > n/2.at n=45A284618
• Number of partitions of n such that the (sum of distinct even parts) >= n/2.at n=45A284619
• Number of length-2n binary strings of the form xxyy, with x and y both nonempty.at n=10A347583
• Number of compositions of n where the median of parts equals 1.at n=15A391398