24329

Properties

Appears in sequences

• Primes of the form k^2 - 7.at n=15A028883
• Difference between (smallest square strictly greater than 2^n) and 2^n.at n=29A056008
• Smallest prime equal to the sum of n distinct squares.at n=39A100559
• Sums of p-th to the q-th prime where p and q are twin primes.at n=35A114379
• The Riordan square of the Bell numbers. Triangle T(n, k), 0 <= k <= n, read by rows.at n=47A154380
• Primes in A028883, p=m^2-7, such that following prime is m^2+1.at n=3A157183
• Primes that are sum of both three and five consecutive primes.at n=31A211170
• Least prime p such that q^(p-1) == 1 (mod p^2) for n primes q < p.at n=4A222206
• Primes p with A047967(p) also prime.at n=17A236418
• Difference between 2^(2*n-1) and the next larger square.at n=14A238454
• a(n) = Sum_{k=1..n-1} sigma_3(k)*sigma_9(n-k).at n=3A279926
• Primes p such that (p+nextprime(p))/6 is prime and 6*p is the sum of two consecutive primes.at n=27A339775
• Irregular triangle read by rows: T(n, k) is the number of chains of subspaces 0 < V_1 < ... < V_r = (F_3)^n, counted up to coordinate permutation, with dimension increments given by (any fixed permutation of) the parts of the k-th partition of n in Abramowitz-Stegun order.at n=50A348114
• Primes p whose reverse q is a semiprime, and of p+q and its reverse one is a prime and the other is a semiprime.at n=26A350781
• a(n) = Sum_{j=1..n} Sum_{k=1..n} phi(n*j*k) / phi(n*k).at n=37A372669
• Expansion of (1 + x^4 - x^5)/((1 + x^4 - x^5)^2 - 4*x^4).at n=36A376728
• Prime numbersat n=2702