Bell numbers: Difference between revisions
→{{header|jq}}
(Added Quackery.) |
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4140, 5017, 6097, 7432, 9089, 11155, 13744, 17007, 21147
21147, 25287, 30304, 36401, 43833, 52922, 64077, 77821, 94828, 115975</pre>
=={{header|jq}==
<lang jq># nth Bell number
def bell:
. as $n
| if $n < 0 then "non-negative integer expected"
elif $n < 2 then 1
else
reduce range(1; $n) as $i ([1];
reduce range(1; $i) as $j (.;
.[$i - $j] as $x
| .[$i - $j - 1] += $x )
| .[$i] = .[0] + .[$i - 1] )
| .[$n - 1]
end;
# The task
range(1;51) | bell</lang>
{{out}}
For displaying the results, we will use gojq, the Go implementation of jq, as it supports unbounded-precision integer arithmetic.
<pre>1
2
5
15
...
37450059502461511196505342096431510120174682
628919796303118415420210454071849537746015761
10726137154573358400342215518590002633917247281
185724268771078270438257767181908917499221852770
</pre>
=={{header|Julia}}==
Line 1,553 ⟶ 1,583:
for i in 1:50
println(bellnum(i))
end</lang>
<pre>
1
| |||