80633

Appears in sequences

• Numbers k such that k, k+2, k+4, k+6, k+8, k+10 are semiprimes.at n=31A092128
• Number of (n+2)X3 binary arrays avoiding patterns 001 and 111 in rows and columns.at n=9A202371
• Least number x such that x^n has n digits equal to k. Case k=5.at n=36A285452