A233032 Numbers k such that the equation x + (sum of digits of x) = 10^k has two solutions.
12, 23, 34, 45, 58, 69, 80, 91, 102, 112, 113, 123, 134, 145, 158, 169, 180, 191, 202, 213, 223, 224, 234, 245, 258, 269, 280, 291, 302, 313, 324, 334, 335, 345, 358, 369, 380, 391, 402, 413, 424, 435, 445, 458, 469, 480, 491, 502, 513, 524, 535, 546, 559, 569, 580, 591, 602, 613, 624, 635, 646, 659, 669, 670, 680, 691, 702
Offset: 1
Examples
For k=12, the two solutions are 999999999896 and 999999999905, for which we have A062028(999999999896) = A062028(999999999905) = 10^12.
Links
- Donovan Johnson, Table of n, a(n) for n = 1..10000