188517

Appears in sequences

• Number of dyslexic rooted compound windmills with n nodes where any 2 submills extending from the same node are different sizes.at n=18A032218
• Numbers n such that 51*2^n-1 is prime.at n=27A050551
• Numbers starting with 1 such that the sum of any two distinct elements has an even number of distinct prime factors.at n=18A180514