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A189305 as a simple table

n a(n)
1 2
2 14
3 73
4 400
5 2177
6 11854
7 64554
8 351521
9 1914208
10 10423761
11 56762346
12 309097942
13 1683185225
14 9165743600
15 49911830577
16 271793641686
17 1480045568402
18 8059551617921
19 43888089440192
20 238991507967969
21 1301422358761490

[2,14,73,400,2177,11854,64554,351521,1914208,
 10423761,56762346,309097942,1683185225,9165743600,
 49911830577,271793641686,1480045568402,
 8059551617921,43888089440192,238991507967969,
 1301422358761490]

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)