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A025988 as a simple table

n a(n)
0 1
1 22
2 315
3 3740
4 40121
5 405042
6 3935095
7 37284280
8 347419941
9 3201202862
10 29273641475
11 266321046420
12 2414445954961
13 21837387317482
14 197190900709455
15 1778695458106160
16 16032377546389181
17 144437380023772902

[1,22,315,3740,40121,405042,3935095,37284280,
 347419941,3201202862,29273641475,266321046420,
 2414445954961,21837387317482,197190900709455,
 1778695458106160,16032377546389181,
 144437380023772902]

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Last modified April 23 06:45 EDT 2024. Contains 371906 sequences. (Running on oeis4.)