543210
domain: N
Appears in sequences
- n written in fractional base 6/5.at n=30A024638
- Expansion of 10*x / ((1 - x) * (1 - 10*x)^2) in powers of x.at n=5A052245
- Concatenation of integers from n down to 0.at n=5A052246
- a(n) is the shortest concatenation of two or more decreasing consecutive numbers (n)(n-1)...(0) such that n divides a(n), or n if there is no such concatenation.at n=4A069863
- Smallest multiple of n which begins with the reverse concatenation of first n natural numbers.at n=4A074159
- Smallest multiple of n which is a reverse concatenation of n nonnegative consecutive numbers, or 0 if no such multiple exists.at n=5A076803
- Smallest multiple of n beginning with the backward concatenation of numbers from (n-1) to 1.at n=5A080454
- Nonnegative numbers with digits in descending order that differ exactly by 1.at n=40A138142
- Start with 0; then add one to each single digit.at n=50A158699
- Number of polygons formed by infinite lines when connecting all vertices and all points that divide the sides of an equilateral triangle into n equal parts.at n=19A344279
- a(n) = A276085(n!), where A276085 is the primorial base log-function.at n=20A376398
- a(n) is the largest integer with distinct digits whose digital sum is n.at n=15A381645