40617

Appears in sequences

• Number of inequivalent self-avoiding walks of length n on a 2-D lattice which start at origin, take first step in {+1,0} direction and if any steps are vertical, a step up is taken before a step down.at n=11A046171
• Integers n such that 2n^2+1, 2n^3+1 and 2n^4+1 are prime.at n=35A239920
• a(n) is the dot product of the vectors of the first n primes and the next n primes.at n=15A337574