100066

Appears in sequences

• Integers whose decimal representation consists of three distinct digits, one appearing once, one appearing twice, and one appearing three times.at n=17A182040
• Number of 2X4 integer matrices with each row summing to zero, row elements in nondecreasing order, rows in lexicographically nondecreasing order, and the sum of squares of the elements <= 2*n^2 (number of collections of 2 zero-sum 4-vectors with total modulus squared not more than 2*n^2, ignoring vector and component permutations).at n=13A192699
• a(n) is the first Smith number with at least n digits.at n=5A375724