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A180758 as a simple table

n a(n)
1 0
2 21
3 67
4 2059
5 41755
6 986376
7 22238670
8 514990479
9 11843513563
10 273193577866
11 6295815062637
12 145178091690740
13 3347707869286493
14 77204310077778551
15 1780484848971706031
16 41062118413701907548
17 946988189894419322573

[0,21,67,2059,41755,986376,22238670,514990479,
 11843513563,273193577866,6295815062637,
 145178091690740,3347707869286493,
 77204310077778551,1780484848971706031,
 41062118413701907548,946988189894419322573]

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Last modified September 29 03:50 EDT 2022. Contains 357082 sequences. (Running on oeis4.)