3359231

Appears in sequences

• Numbers n such that n == -1 (mod phi(n-1)).at n=10A119388
• a(n) = 6^n/3 - 1.at n=8A164559
• Partial sums of A164532.at n=16A164560
• Numbers of the form i*6^j-1 (i=1..5, j >= 0).at n=41A181288