A080490 a(1) =5, a(n) = smallest multiple of a(n-1) (not equal to 10*a(n-1)) obtained by inserting digits anywhere in a(n-1).

5, 15, 105, 10185, 1018500, 101850000, 10185000000, 1018500000000, 101850000000000, 10185000000000000, 1018500000000000000, 101850000000000000000, 10185000000000000000000

Offset

1,1

Links

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

Crossrefs

Cf. A080486, A080487, A080488, A080489, A080491, A080492, A080493, A080494.

Sequence in context: A080449 A077702 A088418 * A220825 A303230 A173736

Adjacent sequences: A080487 A080488 A080489 * A080491 A080492 A080493

Keyword

base,nonn

Author

Amarnath Murthy, Mar 18 2003

Extensions

Corrected and extended by Ray Chandler, Oct 11 2003

Status

approved