A078250 a(1) = 1, a(n) = smallest multiple of n using prime digits if n is composite else smallest multiple of n using composite digits; a(10k) = 0.

1, 4, 6, 32, 40, 72, 49, 32, 27, 0, 44, 72, 408, 252, 75, 32, 68, 72, 494, 0, 252, 22, 46, 72, 25, 52, 27, 252

Offset

1,2

Links

Table of n, a(n) for n=1..28.

Crossrefs

Cf. A078239, A078240.

Sequence in context: A192083 A068720 A068402 * A239224 A087299 A229712

Adjacent sequences: A078247 A078248 A078249 * A078251 A078252 A078253

Keyword

base,easy,nonn

Author

Amarnath Murthy, Nov 24 2002

Status

approved