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A223948 as a simple table

n a(n)
1 8
2 64
3 352
4 1479
5 5233
6 16845
7 52532
8 166076
9 545443
10 1866509
11 6584260
12 23605163
13 85081408
14 306598781
15 1103114341
16 3965858837
17 14265857551
18 51394273661
19 185496356237
20 670659535731
21 2428046038680
22 8798879746069
23 31906100994095 

[8,64,352,1479,5233,16845,52532,166076,545443,
 1866509,6584260,23605163,85081408,306598781,
 1103114341,3965858837,14265857551,51394273661,
 185496356237,670659535731,2428046038680,
 8798879746069,31906100994095]

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)