21766

Appears in sequences

• Smallest number m such that 2*m - p is composite for the first n primes p.at n=39A051169
• Smallest number m such that 2*m - p is composite for the first n primes p.at n=40A051169
• Smallest number m such that 2*m - p is composite for the first n primes p.at n=41A051169
• Smallest number m such that 2*m - p is composite for the first n primes p.at n=42A051169
• Smallest number m such that 2*m - p is composite for the first n primes p.at n=43A051169
• Smallest number m such that 2*m - p is composite for the first n primes p.at n=44A051169
• Smallest number m such that 2*m - p is composite for the first n primes p.at n=45A051169
• Monotonic subsequence of A051169.at n=11A051610
• Consecutive terms of A065966 which are also consecutive integers.at n=34A065976
• Triangle, read by rows, where row n equals the coefficients of y^k in R_{n-1}(y+y^2) for k=2..n, where R_n(y) is the n-th row polynomial in y for n>=2 with R_2(y)=y^2.at n=49A187115
• a(n) = a(n-1) + a(n-2) + 3*a(n-4) - 2*a(n-5) for n >= 5, where a(0) = 2, a(1) = 4, a(2) = 8, a(3) = 13, a(4) = 26.at n=15A288925
• Numbers k such that A240718(k) = 0.at n=73A307818
• a(n) = sum of the side lengths of the minimum containing squares of all partitions of n.at n=25A368985