22085

Appears in sequences

• Numbers k that divide s(k), where s(1)=1, s(j)=21*s(j-1)+j.at n=38A014872
• Numbers n such that 259*2^n-1 is prime.at n=20A050888
• Number of -n..n arrays of 4 elements with first and second differences also in -n..n.at n=7A201089
• Expansion of 1/(1 - x^2 - x^3/(1 - x^5 - x^7/(1 - x^11 - x^13/(1 - ... - x^prime(2*k)/(1 - x^prime(2*k+1) - ...))))), a continued fraction.at n=33A292802
• Numbers that cannot be expressed as the sum of one or more numbers without any repeated digits.at n=4A342080