22243

Appears in sequences

• Numbers that are the sum of 6 positive 9th powers.at n=12A003395
• Least term in period of continued fraction for sqrt(n) is 7.at n=30A031431
• Average of four successive primes squared, (prime(n)^2 + prime(n+1)^2 + prime(n+2)^2 + prime(n+3)^2)/4, n>=2.at n=32A075894
• Numbers n with property that n^2 starts and ends with 49.at n=9A159815
• Row sums of triangle defined in A113821.at n=34A160969
• Composite squarefree numbers n such that p(i)-5 divides n+5, where p(i) are the prime factors of n.at n=14A225705
• Number of nX2 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4.at n=11A240148
• G.f.: 1/(1 - 1!*x/(1 - 2!*x^2/(1 - 3!*x^3/(1 - 4!*x^4/(1 - 5!*x^5/(1 - 6!*x^6/(1 - ...))))))), a continued fraction.at n=13A285381
• Numbers m that generate rotationally symmetrical XOR-triangles T(m) that have central triangles of zeros.at n=23A334769
• Expansion of (1/x) * Series_Reversion( x*(1-x)^5/(1+x)^3 ).at n=4A365845
• Consider primitive pairs of integers (b, c) with b < 0 such that x^5 + b*x + c = 0 is irreducible and solvable by radicals: sequence gives values of c.at n=10A371558