A175675 a(n) = smallest integer m>=n such that sum of digits of n and m is >=10.

19, 9, 8, 7, 6, 5, 6, 7, 8, 9, 18, 17, 16, 15, 14, 15, 16, 17, 18, 19, 26, 25, 24, 23, 24, 25, 26, 27, 28, 29, 34, 33, 32, 33, 34, 35, 36, 37, 38, 39, 42, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71

Offset

0,1

Comments

A007953(n) + A007953(m)>=10.

Links

Table of n, a(n) for n=0..71.

Example

a(0)=19 because 0+1+9=10, a(1)=9 because 1+9=10.

Mathematica

Reap[Do[idn=IntegerDigits[n]; sn=Plus@@idn;
Do[If[10<=sn+Plus@@IntegerDigits[m], Sow[m]; Break[]], {m, n, 10^5}], {n, 0, 200}]][[2, 1]]

Crossrefs

Cf. A007953, A175674.

Sequence in context: A070685 A033339 A175674 * A006232 A260328 A122549

Adjacent sequences: A175672 A175673 A175674 * A175676 A175677 A175678

Keyword

base,nonn

Author

Zak Seidov, Aug 07 2010

Status

approved