492408

Appears in sequences

• Triangle defined by T(n,k) = Sum_{j>=0} C(j+k, k) * C((j+k)*k, n-k) / 2^(j+k+1), for n>=0, k = 0..n, as read by rows.at n=74A300280
• Inverse Stirling transform of A008578 (1 together with the primes).at n=9A354003