A091184 a(n) = (least prime beginning with prime(n) and having as many digits) - (least integer beginning with prime(n) and having as many digits).

3, 7, 21, 3, 21, 21, 9, 9, 3, 23, 291, 3, 149, 3, 137, 489, 47, 189, 63, 51, 103, 271, 59, 237, 331, 369, 531, 417, 249, 57, 223, 297, 29, 217, 473, 237, 571, 451, 279, 1457, 869, 213, 317, 609, 239, 57, 417, 583, 879, 493, 221, 989, 7, 819, 1389, 423, 27, 733, 309

Offset

1,1

Links

Table of n, a(n) for n=1..59.

Formula

a(n)=A090927(n) - prime(n)*10^(prime(n)-d), where d = the number of digits in prime(n).

Crossrefs

Cf. A090927.

Sequence in context: A110149 A024331 A007174 * A174348 A196035 A196038

Adjacent sequences: A091181 A091182 A091183 * A091185 A091186 A091187

Keyword

base,easy,nonn

Author

Ray Chandler, Dec 29 2003

Status

approved