25930

Appears in sequences

• Numbers k such that the continued fraction for sqrt(k) has period 71.at n=24A020410
• Numbers that contain as proper substrings every maximal prime power dividing them.at n=25A059401
• Numbers such that the digital sums in bases 3, 4, 5 and 6 all are equal.at n=28A135126
• Numbers n such that phi(n)=phi(n+5), with Euler's totient function phi=A000010.at n=6A179187
• Triangle, read by rows, where row n equals the coefficients of y^k in R_{n-1}(y+y^2) for k=1..n where R_n(y) is the n-th row polynomial in y for n>1 with R_1(y)=y.at n=50A187005
• Number of (w,x,y) with all terms in {0,...,n} and w != min(|w-x|, |x-y|).at n=29A213499