One day, one decomposition
A230854: Numbers n such that m + (sum of digits in base-3 representation of m) = n has exactly two solutions

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A230854.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A230854.html

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