Ulam spiral (for primes): Difference between revisions
→{{header|ALGOL 68}}: show a bigger spiral
(Added Algol 68) |
(→{{header|ALGOL 68}}: show a bigger spiral) |
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FI # ulam spiral for primes # ;
print ulam spiral for primes(
END
</syntaxhighlight>
{{out}}
<pre>
# # # #
# #▼
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# # # # #
#
# # # # # #
# # # # #
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# # # # # # # #
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# # # # # # # #
# # #
# # # # # # # # # #
# # # # # # # # # #
# # # #
# # +## # # # # # #
▲ # # # #
# #
# # # # # # # # # # #
# # # # # # #
# #
# # # # # #
# # # # #
# # # # #
# # # # # #
# # # # # # # # #
# # # #
# # # # # #
# # # # # #
# # # # #
# # # # #
# # # #
# # # # #
</pre>
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