185658

Appears in sequences

• Expansion of g.f.: (1-x)/(1-3*x-2*x^3+2*x^4).at n=11A052958
• a(n) is the number of lattice walks from (0,0) to (3*n,3*n) that use steps in directions {(3,0), (2,1), (1,2), (0,3)} and stay weakly below the line y=x.at n=6A292437
• Products of 5 distinct primes that are sandwiched between sphenic numbers.at n=38A376929