43995

Appears in sequences

• Number of compositions of n in which the least part is even.at n=24A103420
• Numbers k such that 3*R_(k+2) + 2*10^k is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=25A256788
• Let p = n-th prime == 7 mod 8; a(n) = sum of quadratic residues mod p that are < p/2.at n=35A282039
• Odd multiplicative orders of 2+-i modulo primes p == 3 (mod 4).at n=4A385217