A208271 Nonprime numbers containing a digit 1.

1, 10, 12, 14, 15, 16, 18, 21, 51, 81, 91, 100, 102, 104, 105, 106, 108, 110, 111, 112, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 128, 129, 130, 132, 133, 134, 135, 136, 138, 140, 141, 142, 143, 144, 145, 146, 147, 148, 150, 152, 153

Offset

1,2

Comments

Subsequence of A011531. Complement of A208270 with respect to A011531.

Links

Table of n, a(n) for n=1..54.

Mathematica

Select[Range[200], ! PrimeQ[#] && MemberQ[IntegerDigits[#], 1] &] (* T. D. Noe, Mar 06 2012 *)

Crossrefs

Cf. A208270 (primes containing a digit 1), A011531 (numbers containing a digit 1).

Sequence in context: A141322 A350180 A099103 * A094879 A206286 A116023

Adjacent sequences: A208268 A208269 A208270 * A208272 A208273 A208274

Keyword

nonn,base

Author

Jaroslav Krizek, Mar 04 2012

Status

approved