A080489 - OEIS

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A080489

a(1) =4, a(n) = smallest multiple of a(n-1) (not equal to 10*a(n-1)) obtained by inserting digits anywhere in a(n-1).

8

4, 24, 264, 20064, 2006400, 200640000, 20064000000, 2006400000000, 200640000000000, 20064000000000000, 2006400000000000000, 200640000000000000000, 20064000000000000000000

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OFFSET

1,1

LINKS

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

CROSSREFS

Cf. A080486, A080487, A080488, A080490, A080491, A080492, A080493, A080494.

Sequence in context: A340023 A192983 A077700 * A101228 A009104 A255440

Adjacent sequences: A080486 A080487 A080488 * A080490 A080491 A080492

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, Mar 18 2003

EXTENSIONS

More terms from Ray Chandler, Oct 11 2003

STATUS

approved