77385

Appears in sequences

• Odd squarefree abundant numbers.at n=27A112643
• Numbers k such that 2*k-1, 4*k-1, 6*k-1, 8*k-1 and 10*k-1 are primes.at n=7A124488
• Numbers k such that 2*k-1, 4*k-1, 6*k-1, 8*k-1, 10*k-1 and 12*k-1 are primes.at n=0A124489
• a(n) = least k such that 2*i*k - 1 is prime for 1 <= i <= n.at n=5A124492
• Odd unitary abundant numbers.at n=27A129485
• Primitive, odd, squarefree abundant numbers.at n=27A249263
• Odd non-coreful abundant numbers: the odd terms of A308127.at n=28A339938
• Odd numbers k such that A360522(k) > 2*k.at n=27A360526
• Odd modified exponential abundant numbers: odd numbers k such that A241405(k) > 2*k.at n=27A379031