4999995
domain: N
Appears in sequences
- Numbers k such that (k + R(k)) / (k - R(k)) = +-11 where R(k) is the digit reversal of k (A004086).at n=23A062390
- a(n) = 5*(10^n - 1).at n=6A086576
- 6*n/5 = (n written backwards), n > 0.at n=13A193434
- Number of 2s in the first 10^n entries of the generalized Kolakoski-(2,3) sequence A071820.at n=7A195211
- Murai Chuzen numbers.at n=46A225488
- Smallest multiple of n whose sum of digits is greater than n.at n=44A269332
- Numbers k such that R(k)/k is of the form (m + 1)/m, where R(k) is the digital reversal of k.at n=34A376259