28383
domain: N
Appears in sequences
- a(n) = A078271(n)/11.at n=2A078272
- Riordan array (2-2*x-sqrt(1-8*x+4*x^2), (1-2*x-sqrt(1-8*x+4*x^2))/2).at n=39A121576
- Value of concatenation of all suffixes of binary representation of n.at n=27A241426
- Least number k not divisible by 10 such that the decimal expansion of k^n contains some digit exactly n times.at n=39A243151
- Sum_{k=0..n} ((k+1)*binomial(n+1,k)*binomial(2*n-k,n))/(n+1).at n=7A262607
- Least number x such that x^n has n digits equal to k. Case k=5.at n=39A285452
- Column 2 of triangle in A288180.at n=14A333281