900000000000
domain: N
Appears in sequences
- Number of nonzero palindromes of length n.at n=22A050683
- Number of nonzero palindromes of length n.at n=23A050683
- First differences of 10^n (A011557).at n=11A052268
- Numbers n such that Sum_{k=1..n} d(k) is an integer where d(k) is the decimal fraction 0.k (e.g. d(999)=0.999).at n=19A054464
- a(n) = (n-2)*(n-1)^n.at n=10A061250
- Number of nonnegative integers with n digits.at n=11A063945
- Number of n-digit palindromes.at n=22A070252
- Number of n-digit palindromes.at n=23A070252
- a(n) = the largest n-digit number ending in n-1 zeros that is divisible by n, else 0.at n=11A173480
- a(n) = the largest (n+2)-digit number ending in n+1 zeros that is divisible by n, else 0.at n=9A173486
- Number of n-digit numbers N such that the number formed by some nontrivial permutation of the digits of N divides N.at n=11A222812
- The largest n-digit number whose last k digits are divisible by k^2 for k = 1..n, otherwise 0.at n=11A228011
- Number of nonzero digits needed to write all nonnegative n-digit integers.at n=10A358620