A080486 a(1) = 1, a(n) = smallest multiple of a(n-1) (not equal to 10*a(n-1)) obtained by inserting digits anywhere in a(n-1).

1, 11, 121, 12100, 1210000, 121000000, 12100000000, 1210000000000, 121000000000000, 12100000000000000, 1210000000000000000, 121000000000000000000, 12100000000000000000000

Offset

1,2

Links

Table of n, a(n) for n=1..13.

Crossrefs

Cf. A080487, A080488, A080489, A080490, A080491, A080492, A080493, A080494.

Sequence in context: A214993 A263608 A088760 * A342233 A082776 A216208

Adjacent sequences: A080483 A080484 A080485 * A080487 A080488 A080489

Keyword

base,nonn

Author

Amarnath Murthy, Mar 18 2003

Extensions

Corrected and extended by Frank Ellermann, Jul 11 2003

Status

approved