43111

Appears in sequences

• Strong pseudoprimes to base 82.at n=27A020308
• n written efficiently in natural numbers base, i.e., in form ...wxyz where n = 1*z + 2*y + 3*x + 4*w + ... with z <= 1, y < 2, x < 3, w < 4, ...at n=37A055611
• Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1100-0111-0110 pattern in any orientation.at n=14A146672
• Concatenation of multiplicities of prime divisors of highly composite numbers A002182(n).at n=30A245500
• Let p = n-th prime == 3 mod 8; a(n) = sum of quadratic nonresidues mod p that are < p/2.at n=39A282724
• a(0) = 1; a(n) = Sum_{k=1..n} binomial(n,k)^5 * a(k-1).at n=4A342199
• The lexicographically earliest "Increasing Term Fractal Jump Sequence" that does not use the digit 0 in any terms.at n=24A359385