49500

Appears in sequences

• Witt vector *5!.at n=1A006176
• a(n) = (2*n - 5)n^2.at n=30A015240
• a(n) = floor(product of next n composite numbers / sum of next n composite numbers).at n=4A077144
• Numbers k such that k and k^2 use only the digits 0, 2, 4, 5 and 9.at n=52A136901
• Sum of n-digit numbers which are balanced: the first [n/2] digits have the same sum as the last [n/2] digits.at n=2A147808
• 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 = 5, read by rows.at n=17A157151
• 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 = 5, read by rows.at n=18A157151
• E.g.f. satisfies: A(x) = A(x*A(x))^2 - x*A'(x).at n=5A179498
• Numbers with prime factorization p*q^2*r^2*s^3 (where p, q, r, s are distinct primes).at n=17A190109
• Primitive integer length of the side of an origin-centered square that contains inside its boundary a point with integer coordinates that is an integer distance from three of the four corners.at n=27A215365
• Number of n-digit numbers that yield an (n+1)-digit number after Reverse and Add.at n=4A232730
• Main diagonal of A292159.at n=10A292161
• a(n) is the sum of all n-digit palindromes.at n=2A295319
• Sum of the odd parts in the partitions of n into 10 parts.at n=38A309661
• Number of chiral pairs of rows of length 5 using up to n colors.at n=10A321672
• a(n) is the smallest number with n divisors d such that sigma(d) / tau(d) is an integer.at n=46A337326
• Numbers m such that the largest digit in the decimal expansion of 1/m is 2.at n=20A341383
• Triangular array read by rows: T(n,k) is the number of undirected 2-regular labeled graphs whose smallest connected component has exactly k nodes; n >= 1, 1 <= k <= n.at n=47A348071
• Numbers that are both exponential and nonexponential abundant numbers.at n=16A348627
• Integers k such that A037278(k) is a term of A175252.at n=32A357692