444528

Appears in sequences

• Numbers of form 6^i*7^j, with i, j >= 0.at n=31A025626
• Powerful numbers (definition 1) sandwiched between twin primes.at n=23A113839
• Averages of twin prime pairs k such that k*7 and k/7 are squares.at n=12A154673
• A partition product of Stirling_1 type [parameter k = -6] with biggest-part statistic (triangle read by rows).at n=25A157386
• a(n) = binomial(2n,n)^3/(n+1)^2.at n=5A186414
• Number n such that Fibonacci(n) is divisible by n, n + 1 and n - 1.at n=34A221018
• Numbers n such that n^k is the sum of a positive square and a positive cube for all k not divisible by 6.at n=3A274247
• Numbers k such that k and the next two numbers after k with the same prime signature as k also have the same set of distinct prime divisors as k.at n=12A340303
• 3-full numbers (A036966) sandwiched between twin primes.at n=3A360840
• Triangle read by rows, T(n, k) = [x^k] -hypergeom([-1/2, -n, -n], [1, 1], 4*x).at n=50A367024
• Cubefull numbers with more than 2 distinct prime factors.at n=18A391755