31789

Appears in sequences

• Composite numbers whose prime factors contain no digits other than 3 and 8.at n=23A036317
• Composite and every divisor (except 1) contains the digit 8.at n=4A062678
• a(n) is the smallest number greater than a(n-1) such that in a(0) through a(n) no digit occurs more than once more than any other digit.at n=36A095204
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, -1), (0, 0, 1), (0, 1, 0), (1, 0, 0)}.at n=8A151036
• Number of 3X3X3 triangular 0..n arrays with every horizontal row having the same average value.at n=17A214596
• a(n) is the smallest number greater than a(n-1) such that in a(1) through a(n) no digit occurs more than once more than any other digit, starting with a(1) = 1.at n=36A248651