A069523 Smallest multiple of n with digit sum = 4, or 0 if no such number exists, e.g. a(3k)= 0.

4, 4, 0, 4, 40, 0, 112, 40, 0, 40, 22, 0, 13, 112, 0, 112, 1003, 0, 1102, 40, 0, 22, 1012, 0, 400, 130, 0, 112, 1102, 0, 31, 1120, 0, 10030, 1120, 0, 0, 1102, 0, 40, 0, 0, 301, 220, 0, 1012, 300001, 0, 120001, 400, 0, 1300, 1001011, 0, 220, 112, 0, 1102, 1003, 0

Offset: 1

Author

Amarnath Murthy, Apr 01 2002

Keywords

• base
• nonn

Comments

a(3k)=a(37k)=a(41k)=0. - Ray Chandler, Jul 30 2003

Crossrefs

Cf. A052218, A069521, A069522.

Formula

a(n) = n*A088393(n). - R. J. Mathar, Aug 06 2019

Extensions

More terms from Ray Chandler, Jul 30 2003