122535

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 20.at n=35A031698
• a(n) = concatenation of n^2 and n.at n=34A055436
• a(n) = 100*n^2 + n.at n=34A055438
• Triangle T(n, k, m) = (m*(n-k) + 1)*T(n-1, k-1, m) + (m*k + 1)*T(n-1, k, m) + m*k*(n-k)*T(n-2, k-1, m) with T(n, 0, m) = T(n, n, m) = 1 and m = 2, read by rows.at n=30A157148
• Triangle T(n, k, m) = (m*(n-k) + 1)*T(n-1, k-1, m) + (m*k + 1)*T(n-1, k, m) + m*k*(n-k)*T(n-2, k-1, m) with T(n, 0, m) = T(n, n, m) = 1 and m = 2, read by rows.at n=33A157148
• a(n) = 1225*n^2 + 35.at n=10A158733
• a(n) = number of polynomials a_k*x^k + ... + a_1*x + a_0 with k > 0, integer coefficients, only distinct integer roots, and a_0 = p^n (p is a prime).at n=26A248348
• Triangle read by rows: T(n,k) = Sum_{i=0..n/2} C(n-i,i)*C(n-i,k-i)*C(n-1,i) (0 <= k <= n).at n=63A306226
• Sum of numbers of y-multisets of divisors of x for each x >= 1, y >= 0, x + y = n.at n=32A343661