Chris, -- In the first example, is the fourth number supposed to be 312 rather than 112, or am I misunderstanding the description?
Yes, you're right. Thanks. If you start with 1, you will see why I made that mistake.
Column norms of a matrix
Replicate elements in vectors
Generate a string like abbcccddddeeeee
Visualization of experimental data across a surface
List the Moran numbers
Find pairs of primes with the same digit sum and a specified separation
Compute a sum of Ramanujan
Construct a prime circle
Test the generalized Legendre conjecture
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