50000
domain: N
Appears in sequences
- a(n) = round(10000*log_2(n)).at n=31A004269
- Least number which is side of n Pythagorean triples.at n=42A006593
- Integers of the form Product p_j^k_j = Product k_j^p_j; p_j in A000040.at n=13A008478
- a(n) = Product_{i=0..6} floor((n+i)/7).at n=33A009641
- Triangle of coefficients in expansion of (1+10x)^n.at n=19A013617
- Denominator of sum of -5th powers of divisors of n.at n=9A017674
- Numbers k such that the decimal expansion of k^2 contains k as a substring.at n=29A018834
- Numbers of form 4^i*5^j, with i, j >= 0.at n=33A025617
- Numbers of form 5^i*10^j, with i, j >= 0.at n=21A025625
- Numbers k that divide the (right) concatenation of all numbers <= k written in base 5 (most significant digit on left).at n=25A029450
- Substring of both its square and its cube.at n=27A029943
- a(n) = floor(10^6/n).at n=19A033426
- a(n) = floor(10^5/n).at n=1A033427
- Numbers that contain only one nonzero digit.at n=40A037124
- Triangle whose (i,j)-th entry is binomial(i,j)*10^(i-j)*1^j.at n=16A038303
- Hexamorphic numbers: k such that the k-th hexagonal number ends with k.at n=21A039594
- Ambitious numbers: numbers n with the property that if a number ends in n then it is divisible by n.at n=21A039690
- Numbers having four 0's in base 10.at n=4A043492
- Internal digits of n^2 include digits of n as substring.at n=16A046836
- Expansion of g.f. (1+2*x+5*x^2)/(1-10*x^3).at n=14A051109