1201201

Properties

Appears in sequences

• Decimal expansion of a(n) is given by the first n terms of the periodic sequence with initial period 1,2,0.at n=6A037511
• Primes formed by concatenating k, k, and 1 for k >= 1.at n=31A210511
• Periodic primes: primes p whose decimal expansion can be written as sss...st, where s is nonempty string of digits not beginning with 0, there are at least two copies of s, and t (which may be absent) is a prefix of s.at n=13A232066
• Prime numbersat n=93022