22037
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- a(n) = n^3 + 3*n + 1.at n=28A005491
- Incorrect duplicate of A297408.at n=23A007355
- Numbers k such that the continued fraction for sqrt(k) has period 87.at n=16A020426
- Number of connected labeled chordal graphs on n nodes with no induced path P_4; also the number of labeled trees with each vertex replaced by a clique.at n=6A058863
- Primes which are the sum of the first k odd primes for some k.at n=10A071151
- a(n) = smallest prime p for which (r-p)/log(p) < 1/n, where r is the next prime after p.at n=4A082884
- Primes p2 such that p1^3 + p2^2 is an average of twin primes and p1 < p2 are consecutive primes.at n=16A138755
- Primes congruent to 16 mod 61.at n=39A142814
- Prime numbers where the last digit is the sum of all the previous digits.at n=34A156617
- Lesser of twin primes p1 such that p1*p2+-6 are prime numbers.at n=10A174955
- Lesser of twin primes p1 such that p1*p2-4 and p1*p2-6 are twin prime numbers.at n=15A174957
- Positive integers of the form (6*m^2 + 1)/11.at n=36A179337
- Primes of the form k^3+3*k+1.at n=6A180275
- Square excess of Fibonacci numbers.at n=43A190993
- Ceiling((n+1/n)^3).at n=27A197773
- Initial members of prime quadruples (n, n+2, n+54, n+56).at n=24A248661
- Primes of form n^2 + 14641.at n=9A256839
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 726", based on the 5-celled von Neumann neighborhood.at n=36A273451
- Let F(g,p) be the frequency of g up to prime nextprime(p+1). Primes p such that F(2,p) = F(4,p) and g = 2 or 4.at n=44A274122
- Number of Golomb partitions of n.at n=47A325858