A116692 - OEIS

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A116692

Primes with only one distinct decimal digit.

2, 3, 5, 7, 11, 1111111111111111111, 11111111111111111111111 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`Primes in A010785 (repdigit numbers). Union of single-digit primes and A004022 (repunit primes). A004023 shows that the next term is 317 1's. The Mersenne primes (A000668) are the binary analogue (i.e., bits are all 1's).`
	CROSSREFS	`Cf. A004022, A004023, A010785, A000668.` `Sequence in context: A091689 A046482 A046941 * A114983 A118950 A092620` `Adjacent sequences: A116689 A116690 A116691 * A116693 A116694 A116695`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Rick L. Shepherd (rshepherd2(AT)hotmail.com), Feb 22 2006`

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Last modified February 16 07:08 EST 2012. Contains 205872 sequences.