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A285400 as a simple table

n a(n)
0 1
1 18
2 378
3 7938
4 166698
5 3500658
6 73513818
7 1543790178
8 32419593738
9 680811468498
10 14297040838458
11 300237857607618
12 6304995009759978
13 132404895204959538
14 2780502799304150298
15 58390558785387156258
16 1226201734493130281418
17 25750236424355735909778

[1,18,378,7938,166698,3500658,73513818,1543790178,
 32419593738,680811468498,14297040838458,
 300237857607618,6304995009759978,
 132404895204959538,2780502799304150298,
 58390558785387156258,1226201734493130281418,
 25750236424355735909778]

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Last modified March 28 13:42 EDT 2024. Contains 371254 sequences. (Running on oeis4.)