22753

Appears in sequences

• Coordination sequence for alpha-Mn, Position Mn1.at n=39A009950
• Numbers k such that the continued fraction for sqrt(k) has period 77.at n=29A020416
• Starting positions of strings of three 9's in the decimal expansion of Pi.at n=25A083642
• Starting positions of strings of four 9's in the decimal expansion of Pi.at n=7A083643
• Number of mobiles (circular rooted trees) on n nodes with thinning limbs.at n=14A124345
• Number of ordered triples (i,j,k) with |i|, |j|, |k|, |i*j*k| <= n.at n=40A226359
• Greater value of a coprime pair (x,y) satisfying x^3+y^3=z^2.at n=40A282639
• Odd composite integers m such that A052918(m-J(m,29)) == 0 (mod m) and gcd(m,29)=1, where J(m,29) is the Jacobi symbol.at n=31A340095
• Expansion of g.f. A(x) satisfying A(x)^2 = A( x*A(x) + x*A(x)^2 + x*A(x)^3 ).at n=9A376230
• Squarefree semiprimes k such that k+1 is the product of three distinct primes and k+2 is the product of four distinct primes.at n=32A376352