A094208 Least vampire number with n fang pairs.

1260, 125460, 13078260, 16758243290880, 24959017348650

Offset

1,1

Links

Table of n, a(n) for n=1..5.

J. K. Andersen, Vampire Numbers

Example

a(2) is the smallest number which can be written in 2 ways as the product of two numbers with half as many digits and not both ending in 0: 125460 = 204*615 = 246*510. - Jens Kruse Andersen, Jun 14 2014

Crossrefs

Cf. A020342, A014575, A048936, A048937.

Sequence in context: A184404 A179725 A101469 * A035861 A230467 A038651

Adjacent sequences: A094205 A094206 A094207 * A094209 A094210 A094211

Keyword

base,more,nice,nonn

Author

Lekraj Beedassy, May 27 2004

Extensions

Typo in Cf. to A014575 fixed by Jens Kruse Andersen, Jun 14 2014

Status

approved