OEIS Prime Sequences
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Search results for prime-related entries in the On-Line Encyclopedia of Integer Sequences, the standard database for number sequences. Each entry gives terms, formulas, references and code, letting readers identify a sequence met in their own work and trace its literature.
More resources on Prime Numbers
Wolfram MathWorld
MathWorld is an online mathematics encyclopedia from Wolfram Research offering detailed, browsable articles on topics across the math spectrum, including algebra, geometry, calculus, and number theory. Each entry includes definitions, theorems, formulas, diagrams, worked examples, and links to further reading.
primes.utm.edu
Primes.utm.edu, The Prime Pages, is a comprehensive number theory resource focused on primes, offering extensive prime catalogs (including Mersenne primes), historical notes, tables, and references to algorithms, software, and research data.
But what is the Riemann zeta function? Visualizing analytic continuation
Animated 3Blue1Brown explanation of how the zeta function is defined for complex inputs and extended beyond its region of convergence by analytic continuation. Viewers come to understand what the Riemann hypothesis actually claims and why it connects to the primes.
Number Theory
Four-week UC San Diego course building from division with remainder and modular arithmetic to Euclid's algorithm and RSA. Finishing it, you can encrypt and decrypt messages and break RSA implementations that reuse or mishandle keys.
The Music of the Primes
Popular history of the Riemann hypothesis by an Oxford mathematician, following Gauss, Riemann, Hardy, Ramanujan and later researchers. Readers come away understanding, without formal mathematics, why prime distribution is tied to the zeta zeros and why it matters for cryptography.