_Amarnath Murthy (amarnath_murthy(AT)yahoo.com), _, May 12 2002

Edited and extended by _Ray Chandler (rayjchandler(AT)sbcglobal.net), _, Feb 10 2009

Smallest number with identical digits with a sum of digits >= previous terms.

Repdigits (A010785) ordered by sum of digits (A007953).

0, 1, 2, 11, 3, 111, 4, 22, 1111, 5, 11111, 6, 33, 222, 111111, 7, 1111111, 8, 44, 2222, 11111111, 9, 333, 111111111, 55, 22222, 1111111111, 11111111111, 66, 444, 3333, 222222, 111111111111, 1111111111111, 77, 2222222, 11111111111111, 555, 33333

0,2

1,3

If n has no divisors among 2,3,5 or 7 then the only term with digit sum n is the repunit RA002275(n) = 1111... n times.

Cf. A070841.

Edited and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Feb 10 2009

If n has no divisors among 2,3,5 or 7 then the only term with a digit sum of digt n is the repunit R(n) = 1111... n times.

base,nonn,new

Smallest number with identical digits with a sum of digits >= previous terms.

1, 2, 11, 3, 111, 4, 22, 1111, 5, 11111, 6, 33, 222, 111111, 7, 1111111, 8, 44, 2222, 11111111, 9, 333, 111111111, 55, 22222, 1111111111, 11111111111, 66, 444, 3333, 222222, 111111111111

0,2

If n has no divisors among 2,3,5 or 7 then the only term with a sum of digt n is the repunit R(n) = 1111... n times.

base,nonn

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 12 2002

approved