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A271747 as a simple table

n a(n)
8 1754
9 5649
10 20085
11 77133
12 315597
13 1362669
14 6164685
15 29058813
16 142084077
17 717966669
18 3737612685
19 19991467293
20 109605434157
21 614681711469
22 3519553748685
23 20540447808573
24 121996580169837
25 736352527581069
26 4510823754140685
27 28011087761890653
28 176122939449075117

[1754,5649,20085,77133,315597,1362669,6164685,
 29058813,142084077,717966669,3737612685,
 19991467293,109605434157,614681711469,
 3519553748685,20540447808573,121996580169837,
 736352527581069,4510823754140685,
 28011087761890653,176122939449075117]

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Last modified June 22 14:17 EDT 2024. Contains 373587 sequences. (Running on oeis4.)