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A128323 as a simple table

n a(n)
0 1
1 5
2 12
3 73
4 418
5 3110
6 23920
7 207549
8 1885166
9 18417710
10 187881112
11 2018628090
12 22533601892
13 261966343388
14 3149344100224
15 39158513865053
16 501507474201750
17 6611648592425790
18 89492095211184360
19 1242626064512513070

[1,5,12,73,418,3110,23920,207549,1885166,18417710,
 187881112,2018628090,22533601892,261966343388,
 3149344100224,39158513865053,501507474201750,
 6611648592425790,89492095211184360,
 1242626064512513070]

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Last modified September 23 22:32 EDT 2020. Contains 337315 sequences. (Running on oeis4.)