34238

Appears in sequences

• a(n) is the concatenation of n and 7n.at n=33A009441
• Numbers n such that the average of prime(n) and prime(n+1) is a perfect cube.at n=10A076693
• Numbers n with property that n^2 is a sum of some 120 successive primes.at n=16A166262
• Numbers k such that Fibonacci(k) == +-1 (mod k) and k is neither 1 nor prime nor twice a prime.at n=36A279072
• Products of four distinct primes between sphenic numbers (products of 3 distinct primes).at n=32A351382
• The number of fixed kissing polyominoes with n cells.at n=5A367557