33333333334
domain: N
Appears in sequences
- Numbers k such that k^2 contains only digits {1,5,6}.at n=24A053902
- Expansion of (1-7*x)/((1-x)*(1-10*x)).at n=11A093137
- Numbers k such that the k-th triangular number contains only digits {4,5,9}.at n=21A119209
- An explicit example of an infinite sequence with a(1)=1 and, for n >= 2, a(n) and S(n) = Sum_{i=1..n} a(i) have no digit in common.at n=22A308900
- Positive integers k such that A270710(k) (= (k+1)*(3*k-1)) have only 1 or 2 different digits in base 10.at n=39A322570