157463

Appears in sequences

• Gaps of 3 in sequence A038593 (lower terms).at n=4A038645
• Semiprimes which are sub-perfect powers.at n=31A189045
• Increasing sequence S generated by these rules: a(1)=1, and if x is in S then both 3x+2 and 4x+3 are in S.at n=51A191145
• a(n) = 8*3^n - 1.at n=9A198644
• Semiprimes of the form k^3 - 1.at n=8A242262
• a(n) is the number of terms in row n of the array A378303.at n=29A378307