8888888888
domain: N
Appears in sequences
- a(n) = 8*(10^n - 1)/9.at n=10A002282
- a(n)*n = A112907(n).at n=9A112908
- Partial sums of A051109.at n=29A117727
- a(10n+m) is the integer with n+m concatenations of the digit m in base 10, 0<=m<=9.at n=27A158849
- Let s(n) be the smallest number x such that the decimal representation of n appears as a substring of the decimal representations of the numbers [0...x] more than x times.at n=7A164321
- a(n) is the smallest number x such that the decimal representation of n appears as a substring of the decimal representations of the numbers [1...x] >= x times.at n=8A164935
- Least positive integer whose decimal digits divide the plane into n+1 regions. Equivalently, least positive integer with n holes in its decimal digits.at n=20A249572
- Least positive integer whose decimal digits divide the plane into n regions (A249572 variant).at n=20A250256
- Least nonnegative integer whose decimal digits divide the plane into n regions.at n=20A250257
- Least nonnegative integer whose decimal digits divide the plane into n regions (A250257 variant).at n=20A250258
- Repdigit numbers n such that the repeated digit of n is equal to the digital root of n.at n=29A271569
- Least positive integer whose decimal digits divide the plane into n regions (version for people who write 2 with a curlicue).at n=20A279193
- The smallest palindrome with exactly n circular loops (or holes) in its decimal representation.at n=20A337842
- Largest positive integer having n holes that can be made using the fewest possible digits.at n=20A363377