46144

Appears in sequences

• Numbers k such that 17*2^k - 1 is prime.at n=30A001774
• Differences between two positive cubes in exactly 2 ways.at n=24A014440
• Difference between two positive cubes in more than one way.at n=26A034179
• Numbers n such that sigma(n) and d(n) are both harmonic (Ore) numbers.at n=10A071767
• a(n) = Hermite(n,2).at n=9A144141
• T(n)^3 - n^3 where T(n) is a triangular number.at n=7A193575
• Number of (w,x,y,z) with all terms in {1,...,n} and |x-y|=|y-z|+1.at n=32A212680
• Number of binary strings of length n avoiding "squares" (that is, repeated blocks of the form xx) with |x| = 3.at n=17A230216
• The 9th Hermite Polynomial evaluated at n: H_9(n) = 512*n^9 - 9216*n^7 + 48384*n^5 - 80640*n^3 + 30240*n.at n=2A247854
• Number of n X 2 0..2 arrays with no element equal to any value at offset (-2,-1) (-1,1) or (0,-1) and new values introduced in order 0..2.at n=10A276293
• a(n) is the number of 3 X 3 matrices with elements 1..n where at least one row is strictly increasing.at n=4A390904