45276

Appears in sequences

• Numbers k such that phi(k) | sigma_14(k).at n=25A015773
• [ (4th elementary symmetric function of P(n))/(2nd elementary symmetric function of P(n)) ], where P(n) = {first n+3 primes}.at n=19A024456
• a(n) = n^2*binomial(2*n-2, n-1).at n=7A037966
• Coefficients in quasimodular form 12*F_3(q) of level 1 and weight 12.at n=6A126861
• a(n) = the definite integral Integral_{0..1} Product_{j=1..n} 4*sin^2(Pi*j*x) dx.at n=28A133871
• a(n) = 2662*n + 22.at n=16A157613
• Number of nX5 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 0 and 1 1 1 vertically.at n=10A209221
• Number of set partitions of [n] into exactly seven blocks where sizes of distinct blocks are coprime.at n=5A280885
• Expansion of cosh(3*arctanh(2*sqrt(x))).at n=6A285043
• Expansion of ((1 + 2*x)/(1 - 2*x))^(3/2).at n=12A305031
• Triangle read by rows: T(n,k) = binomial(n,k)^2 * binomial(2*(n-k), n-k).at n=29A318397
• Number of (binary) max-heaps on n elements from the set {0,1} containing exactly five 0's.at n=42A326506
• Triangle read by rows, T(n, k) = [x^k] hypergeom([1/2, -n, -n], [1, 1], 4*x).at n=34A367177
• Absolute value of the minimum coefficient of (1 - x)^2 * (1 - x^2)^2 * (1 - x^3)^2 * ... * (1 - x^n)^2.at n=29A380499
• Expansion of 1/(1 - 49*x)^(4/7).at n=3A386273