One day, one decomposition
A105184: Primes that can be written as concatenation of two primes in decimal representation

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One day, one decomposition
A090423: #Primes that can be written in binary representation as concatenation of other primes

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2D #graph, first 500 terms https://decompwlj.com/2Dgraph500terms/A090423.html

One day, one decomposition
A090421: Numbers that can be written in binary representation as concatenation of primes

3D graph, threejs - webGL https://decompwlj.com/3Dgraph/A090421.html
2D graph, first 500 terms https://decompwlj.com/2Dgraph500terms/A090421.html

One day, one decomposition
A048991: Write down the numbers 1,2,3,... but omit any number (such as 12 or 23 or 31 ...) which appears in the concatenation of all earlier terms

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2D graph, first 500 terms https://decompwlj.com/2Dgraph500terms/A048991.html

One day, one decomposition
A046411: Concatenation of prime factors of a(n) is a prime

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2D graph, first 500 terms https://decompwlj.com/2Dgraph500terms/A046411.html

One day, one decomposition
A035333: Concatenation of two or more consecutive positive integers

3D graph, threejs - webGL https://decompwlj.com/3Dgraph/A035333.html
2D graph, first 500 terms https://decompwlj.com/2Dgraph500terms/A035333.html