The Ulam Spiral ·
Hidden Lines in the Primes
un
seel
.com · write 1, 2, 3 … in a square spiral · light up the primes · watch the diagonals appear
number
1
primes lit
0
Phase
THE SEED
Prime number
Composite (dim)
Euler's line : n² + n + 41
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.com · The Ulam Spiral