324870

Appears in sequences

• a(n) is the smallest positive integer such that a(n)*(1^n + 2^n + ... + x^n) is a polynomial in x with integer coefficients.at n=48A064538
• Denominators of z-sequence for the Sheffer matrix (triangle) A094816 (coefficients of Poisson-Charlier polynomials).at n=48A130190
• a(n) = 900*n^2 - 30.at n=18A158669
• Denominator of ( A164555(n)/A027642(n) + 1/(n+1) ).at n=48A174342
• Number of (n+2)X(1+2) 0..3 arrays with every 3X3 subblock row and column sum not 2 3 6 or 7 and every diagonal and antidiagonal sum 2 3 6 or 7.at n=25A251887
• a(n) = n*denominator(n*Bernoulli(n-1)) for n >= 1 and a(0) = 0.at n=49A326579
• a(n) = (2*n+1)*denominator((2*n+1)*Bernoulli(2*n)).at n=24A326580