A102622 Nonprime numbers n concatenated n times.

1, 4444, 666666, 88888888, 999999999, 10101010101010101010, 121212121212121212121212, 1414141414141414141414141414, 151515151515151515151515151515, 16161616161616161616161616161616

Offset

1,2

Links

Table of n, a(n) for n=1..10.

Example

4 is a nonprime and it is concatenated four times to give 4444.

Crossrefs

Sequence in context: A166582 A043508 A114908 * A280485 A236906 A184611

Adjacent sequences: A102619 A102620 A102621 * A102623 A102624 A102625

Keyword

nonn,base

Author

Parthasarathy Nambi, Jan 31 2005

Status

approved