39492

Appears in sequences

• a(n) = n*(6*n^2 - 7*n + 3)/2.at n=24A071230
• Sum of the cubes of the first n cubefree numbers.at n=18A114286
• Number of primes between A075737(n) and A075737(n+1), including one bound.at n=6A134850
• Number of permutations that lie in the cyclic closure of Av(123) - i.e., at least one cyclic rotation of the permutation avoids the pattern 123.at n=9A141254
• G.f. A(x) satisfies A(x) = 1 + x * A(x) / A(x^2).at n=50A218033
• Number of (n+2)X(3+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 3 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 3 4 6 or 7.at n=3A252635
• T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 3 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 3 4 6 or 7.at n=18A252640
• Number of (4+2)X(n+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 3 4 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 3 4 6 or 7.at n=2A252644
• Numbers k such that Bernoulli number B_{k} has denominator 1919190.at n=23A295595
• Number of ordered pairs (p,q) of partitions of n such that the set of parts in q is equal to the set of parts in p.at n=27A369695