18959

Properties

Appears in sequences

• Supersingular primes of the elliptic curve X_0 (11).at n=22A006962
• Least prime in A031932 (lesser of 14-twins) whose distance to the next 14-twin is 6*n.at n=10A052356
• Beginning with 3, least prime, greater than the previous term, such that the arithmetic mean of first n terms is a prime.at n=43A090918
• Primes with digit sum = 32.at n=11A106768
• Triangle, read by rows of 2n+1 terms, where T(n,k) = T(n,k-1) + T(n-1,k-1) for 2n>=k>0, T(n,2n-1) = T(n,2n-2) + T(n-1,n-1) and T(n,2n) = T(n,2n-1) + T(n-1,n-1) for n>0, with T(n,0) = T(n-1,n-1) for n>0 and T(0,0) = 1.at n=51A132289
• Primes congruent to 38 mod 53.at n=40A142568
• Primes congruent to 20 mod 59.at n=38A142747
• Primes congruent to 49 mod 61.at n=29A142847
• Primes of the form 3*k^2 + 9*k + 5.at n=30A171838
• Numbers m such that m, m-1, m-2 and m-3 are 1,2,3,4-almost primes respectively.at n=29A201220
• a(n) = floor(sqrt(F(n+2)^2 + F(n)^2)), where F(n) = A000045(n).at n=20A245271
• The slowest increasing sequence of primes such that no three terms sum up to a prime number.at n=11A254925
• Positions of pandigital 10-digit numbers after the decimal point in the decimal expansion of Pi.at n=9A280183
• Smallest known example of a 3 X 3 X 3 generalized arithmetic progression (GAP) of 27 primes, listed in increasing order.at n=19A290967
• Primes of the form (p + prime(p))/2 with prime p.at n=45A306627
• Primes p such that 2*p+q and 2*p+r are prime, where q and r are the next two primes after p.at n=36A340225
• Smallest prime in a sequence of n consecutive primes which add to a perfect cube.at n=16A382226
• a(n) = numerator(Sum_{k=1..n} d(k+1)/d(k)), where d is the number of divisors function.at n=37A386925
• Prime numbersat n=2156