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A070840 Repdigits (A010785) ordered by sum of digits (A007953). 1
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

If n has no divisors among 2,3,5 or 7 then the only term with digit sum n is the repunit A002275(n) = 1111... n times.

LINKS

Table of n, a(n) for n=1..39.

CROSSREFS

Cf. A070841.

Sequence in context: A073331 A109858 A082266 * A235460 A082264 A070532

Adjacent sequences:  A070837 A070838 A070839 * A070841 A070842 A070843

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy, May 12 2002

EXTENSIONS

Edited and extended by Ray Chandler, Feb 10 2009

STATUS

approved

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Last modified September 21 09:06 EDT 2021. Contains 347597 sequences. (Running on oeis4.)