617472

Appears in sequences

• Number of 2 X n 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.at n=13A281401
• Smallest average >= 6 of a twin prime pair that has exactly 2*n divisors, 0 if no such pair exists.at n=31A294730
• Number of 2n-digit decimal numbers without leading zeros where each digit appears an even number of times.at n=3A303050