47150

Appears in sequences

• Numbers n such that Lucas(prime(n)) is prime, where Lucas = A000032.at n=52A120561
• Least number k having n representations as the sum of the minimal number of biquadrates A002377(k).at n=28A185673
• Number of dispersed Dyck paths of semilength n (i.e., Motzkin paths of length n with no (1,0)-steps at positive heights) having no UUU's (U=(1,1)).at n=19A191519
• Number of simple labeled graphs on n+2 nodes with exactly n connected components that are trees or cycles.at n=23A215862
• Number of possible prime patterns for centuries having exactly n primes.at n=20A261571