549554511871
domain: N
Appears in sequences
- Number of n-tuples where each entry is chosen from the subsets of {1,2,3} such that the intersection of all n entries is empty.at n=12A128831
- Cubes of Mersenne primes.at n=4A133050
- a(n) = denominator of the Y-coordinate of n*P where P is the generator [0,0] for rational points on the curve y^2 + y = x^3 + x^2.at n=16A350625