Cullen and Woodall numbers: Difference between revisions
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First 12 Woodall primes: (in terms of n)
2 3 6 30 75 81 115 123 249 362 384 462</pre>
=={{header|Ring}}==
<lang ring>
load "stdlib.ring"
see "working..." + nl
see "First 20 Cullen numbers:" + nl
for n = 1 to 20
num = n*pow(2,n)+1
see "" + num + " "
next
see nl + nl + "First 20 Woodall numbers:" + nl
for n = 1 to 20
num = n*pow(2,n)-1
see "" + num + " "
next
see nl + "done..." + nl
</lang>
{{out}}
<pre>
working...
First 20 Cullen numbers:
3 9 25 65 161 385 897 2049 4609 10241 22529 49153 106497 229377 491521 1048577 2228225 4718593 9961473 20971521
First 20 Woodall numbers:
1 7 23 63 159 383 895 2047 4607 10239 22527 49151 106495 229375 491519 1048575 2228223 4718591 9961471 20971519
done...
</pre>
=={{header|Wren}}==
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