1397124

Appears in sequences

• An intermediate sequence for nonisomorphic circulant undirected p^2-graphs, indexed by odd primes p.at n=8A038784
• Expansion of e.g.f.: exp(4*x/(1-5*x)) / sqrt(1-25*x^2).at n=5A202831
• T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal or antidiagonal neighbor, with every occupancy equal to zero or two.at n=70A221381
• The first of three consecutive squares the sum of which is equal to the sum of three consecutive primes.at n=32A298222