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A223719 as a simple table

n a(n)
1 9
2 81
3 484
4 2116
5 7396
6 21904
7 57121
8 134689
9 292681
10 594441
11 1140624
12 2085136
13 3655744
14 6180196
15 10118761
16 16104169
17 24990001
18 37908649
19 56340036
20 82192356
21 117896164
22 166513216
23 231861529
24 318658201
25 432681601
26 580954609
27 771950656

[9,81,484,2116,7396,21904,57121,134689,292681,
 594441,1140624,2085136,3655744,6180196,10118761,
 16104169,24990001,37908649,56340036,82192356,
 117896164,166513216,231861529,318658201,432681601,
 580954609,771950656]

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Last modified April 18 13:46 EDT 2024. Contains 371780 sequences. (Running on oeis4.)