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A234721 as a simple table

n a(n)
1 240
2 1096
3 4192
4 19120
5 74496
6 339328
7 1344640
8 6116416
9 24606720
10 111778816
11 455721472
12 2067523840
13 8527405056
14 38641758208
15 160972933120
16 728673166336
17 3061520302080
18 13845560836096
19 58597910781952
20 264790110146560

[240,1096,4192,19120,74496,339328,1344640,6116416,
 24606720,111778816,455721472,2067523840,
 8527405056,38641758208,160972933120,728673166336,
 3061520302080,13845560836096,58597910781952,
 264790110146560]

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Last modified September 16 20:35 EDT 2024. Contains 375977 sequences. (Running on oeis4.)