28614

Appears in sequences

• Positive integers n such that 13^n == 7 (mod n).at n=13A116632
• Number of Meyniel graphs on n nodes.at n=8A123434
• Numbers n such that n^2 is a sum of 2 and also of 4 consecutive primes.at n=25A252066
• Least positive integer k such that prime(k)-k, prime(k)+k, prime(k*n)-k*n, prime(k*n)+k*n, prime(k)+k*n and prime(k*n)+k are all prime.at n=40A259492
• Number of ordered subsequences of {1,...,2n} containing at least n elements and such that the first differences contain only odd numbers.at n=11A340766
• Products of four distinct primes between sphenic numbers (products of 3 distinct primes).at n=25A351382