28593

Appears in sequences

• Largest k such that round(1/(sqrt(prime(k+1))-sqrt(prime(k)))) = n where prime(n) denotes the n-th prime (conjectured values).at n=14A078693
• Number of configurations of the 6 X 2 variant of the so-called "Sam Loyd" sliding block 15-puzzle that require a minimum of n moves to be reached, starting with the empty square in one of the corners.at n=21A090167
• a(n) = 841*n - 1.at n=33A158402
• a(n) = 34*n^2 - 1.at n=28A158588
• Numbers that are the sum of three biquadrates (fourth powers) in more than one way.at n=1A193244
• Number of partitions of n with difference -2 between the number of odd parts and the number of even parts, both counted without multiplicity.at n=47A242690
• Numbers that are the sum of fourth powers of three distinct positive integers in arithmetic progression.at n=26A306214
• Numbers that are the sum of 3 nonzero 4th powers in more than one way.at n=3A309762
• Numbers that are the sum of three fourth powers in exactly two ways.at n=3A344192
• Position of second appearance of 2n in the sequence of prime gaps A001223; if 2n does not appear at least twice, a(n) = -1.at n=37A356221