28017

Appears in sequences

• Numerators of continued fraction convergents to sqrt(628).at n=5A042204
• Numbers k such that 187*2^k-1 is prime.at n=10A050845
• Stirling-like number triangle defined by the sequence A000292=C(n+3,3).at n=42A080249
• Value of p^2 + (p-1)^2/2 as p runs through A001359 (the lesser of twin primes).at n=10A372069
• Triangle read by rows: T(n,k) = Sum_{i=k..n} C(i-1,i-k)*C(i,k).at n=59A382225