25013

Properties

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has period 81.at n=27A020420
• Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 45.at n=1A031633
• Smaller of two consecutive primes which are anagrams of each other.at n=3A069567
• List of Ormiston prime pairs.at n=6A072274
• Smallest of six consecutive primes whose sum of digits is prime.at n=17A106719
• Primes of the form p = prime(k) = (prime(k+3)+prime(k-1))/2.at n=22A126238
• Prime numbers, isolated from neighboring primes by >16.at n=33A137875
• Greater of two consecutive primes, p < q, such that both p*q+p-q and p*q-p+q are prime numbers.at n=30A154552
• Smaller prime p in Ormiston pairs (p, q) with q - p = 18.at n=3A163678
• Number of binary strings of length n with no substrings equal to 0001 or 0110.at n=18A164396
• Duplicate of A163678.at n=3A175517
• Expansion of q^(-5/24) * (eta(q^3) * eta(q^6))^3 / (eta(q) * eta(q^2))^4 in powers of q.at n=10A182031
• Primes of the form k^4 + 29*k^2 + 101.at n=12A272075
• Smallest known example of a 3 X 3 X 3 generalized arithmetic progression (GAP) of 27 primes, listed in increasing order.at n=25A290967
• Number of nX4 0..1 arrays with every element equal to 0, 3, 4, 5 or 6 king-move adjacent elements, with upper left element zero.at n=9A298440
• a(n) is the first number that is the start of a string of exactly n consecutive numbers in A358350.at n=24A359248
• Prime numbersat n=2763