A119615 Write down the primes 2,3,5,... but omit any prime (such as 23 or 31 or 71 ...) that has appeared as a string earlier in the sequence.

2, 3, 5, 7, 11, 13, 17, 19, 29, 37, 41, 43, 47, 53, 59, 61, 67, 73, 79, 83, 89, 97, 101, 103, 107, 109, 127, 137, 139, 149, 151, 157, 163, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 257, 263, 269, 277, 281, 283, 307, 311, 313, 331

Offset

0,1

Comments

Inspired by Hannah Rollman and her sequence A048991.

Links

Table of n, a(n) for n=0..57.

Example

23 is omitted since we see "2,3" at the beginning of the sequence; 15647 is omitted because 5641, 5647 appear earlier in the sequence.

Crossrefs

Cf. A048991.

Sequence in context: A171821 A004051 A127047 * A061771 A124589 A079150

Adjacent sequences: A119612 A119613 A119614 * A119616 A119617 A119618

Keyword

base,easy,nonn

Author

Gil Broussard, Jun 05 2006

Status

approved