22235

Appears in sequences

• Unicode codes for the Han digits.at n=4A061745
• Numbers n such that (10^(2n+1)+54*10^n-1)/9 is prime.at n=5A107127
• Numbers k such that k and k^2 use only the digits 2, 3, 4, 5 and 9.at n=13A137070
• Triangle read by rows: T(n,k) appears in the transformation Sum_{k=0..n} (k+1)*x^k = Sum_{k=0..n} T(n,k)*(x+3k)^k.at n=25A253384
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 541", based on the 5-celled von Neumann neighborhood.at n=27A272807
• Numbers k such that (185*10^k + 7)/3 is prime.at n=19A281911
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 726", based on the 5-celled von Neumann neighborhood.at n=14A283817
• Semiprimes p*q such that p*q+p+q, p*q-(p+q), p*q+2*(p+q) and p*q-2*(p+q) are all primes.at n=24A356765