A077706 a(1) = 7, a(n)= smallest multiple of a(n-1) that contains all the digits of a(n-1). Or which can be obtained by inserting digits anywhere in a permutation of digits of a(n-1). (prefix,suffix or insertion). a(n)/a(n-1) is not equal to 10^k.

7, 77, 1771, 171787, 67168717, 12627718796, 29877182671336, 67791327481261384, 138429890716735746128, 281843257499273979116608, 104845691789729920231378176, 497178270466899281737195310592

Offset

1,1

Links

Table of n, a(n) for n=1..12.

Crossrefs

Cf. A077707.

Sequence in context: A222145 A240404 A093980 * A080492 A342347 A082782

Adjacent sequences: A077703 A077704 A077705 * A077707 A077708 A077709

Keyword

base,nonn

Author

Amarnath Murthy, Nov 18 2002

Extensions

More terms from Ray Chandler, Jul 27 2003

Status

approved