354282
domain: N
Appears in sequences
- a(n) = 2*3^n - n - 1.at n=11A132308
- G.f. satisfies: A(x) = (1+x*A(x))*(1+x^2*A(x))*(1+x^3*A(x)).at n=15A182053
- Number of scalene triangles, distinct up to congruence, on an n X n grid (or geoboard).at n=37A190313
- a(n) is the position of the first term in A303762 that has prime(n) as one of its prime factors.at n=22A302774