56701

Properties

Appears in sequences

• a(n) = 1 + product of first n positive triangular numbers (A000217).at n=5A061213
• Numbers n such that the numbers of divisors of n,n+1,n+2 and n+3 are k,2k,4k,8k respectively for some k.at n=23A100364
• Primes q such that p = (r+q+s-1)/2 is a balanced prime, where r, q, s are consecutive primes.at n=19A129190
• Primes of the form 10n^2+6n+1.at n=26A154409
• Primes of the form 7n^2 + 1.at n=22A201602
• Number of nXnXn 0..6 triangular arrays with each element x equal to the number its neighbors equal to 3,3,1,2,0,0,0 for x=0,1,2,3,4,5,6.at n=6A205077
• Number of length n+5 0..1 arrays with at most two downsteps in every 5 consecutive neighbor pairs.at n=10A256813
• Number of shapes of left-leaning height-balanced AVL trees with n (inner) nodes.at n=36A296103
• Value of prime number D for incrementally largest values of minimal x satisfying the equation x^2 - D*y^2 = -5.at n=36A341083
• Value of prime number D for incrementally largest values of minimal y satisfying the equation x^2 - D*y^2 = -5.at n=35A341085
• Starts of runs of at least 3 consecutive odd numbers whose prime factors are all prime-indexed primes.at n=31A357168
• Number of connected 3-regular multigraphs on 2n unlabeled nodes rooted at an oriented edge (or loop), loops allowed.at n=6A361446
• Prime numbersat n=5749