A078236 a(1) = 4, a(n+1) = smallest multiple of a(n) using only composite digits (4,6,8,9,0) and which is not divisible by 10.

4, 8, 48, 96, 864, 6048, 489888, 460984608, 4880444044896, 6604089990008099904, 6406898466996448048966464, 488494490499084904898890846098449664

Offset

1,1

Comments

Sequence is infinite - see Comments in A078233. - Fung Cheok Yin (cheokyin_restart(AT)yahoo.com.hk), Sep 02 2006

Links

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

Crossrefs

Cf. A078237, A078238.

Sequence in context: A002470 A087261 A249572 * A054881 A045882 A051681

Adjacent sequences: A078233 A078234 A078235 * A078237 A078238 A078239

Keyword

base,nonn

Author

Amarnath Murthy, Nov 23 2002

Extensions

More terms from Sascha Kurz, Jan 03 2003

More terms from Sascha Kurz, Jan 06 2003

a(12) from Donovan Johnson, Sep 05 2008

Status

approved