One day, one decomposition
A064702: Numbers such that additive and multiplicative digital roots coincide

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A064702.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A064702.html

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One day, one decomposition
A064700: Numbers k that are divisible by the multiplicative digital root of k

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A064700.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A064700.html

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One day, one decomposition
A034048: Numbers with multiplicative digital root value 0

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A034048.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A034048.html

#decompwlj #maths #mathematics #sequence #OEIS #javascript #php #3D #numbers #multiplicative #digital #root #graph #threejs #webGL