A228006 Smallest composite numbers with multiplicative digital root value 0 <= n <= 9.

10, 111, 12, 1113, 4, 15, 6, 117, 8, 9

Offset

0,1

Links

Table of n, a(n) for n=0..9.

Crossrefs

Cf. A198487, A198378 (smallest prime with multiplicative digital root 0 <= n <= 9).

Sequence in context: A282452 A282653 A282801 * A004290 A257344 A244859

Adjacent sequences: A228003 A228004 A228005 * A228007 A228008 A228009

Keyword

nonn,base,fini,full

Author

Jaroslav Krizek, Aug 08 2013

Status

approved