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A143554 as a simple table

n a(n)
0 1
1 1
2 1
3 5
4 9
5 55
6 117
7 775
8 1785
9 12350
10 29799
11 211876
12 527085
13 3818430
14 9706503
15 71282640
16 184138713
17 1366368375
18 3573805950
19 26735839650
20 70625252863
21 531838637759
22 1416298046436
23 10723307329700
24 28748759731965
25 218658647805780
26 589546754316126

[1,1,1,5,9,55,117,775,1785,12350,29799,211876,
 527085,3818430,9706503,71282640,184138713,
 1366368375,3573805950,26735839650,70625252863,
 531838637759,1416298046436,10723307329700,
 28748759731965,218658647805780,589546754316126]

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Last modified April 24 05:33 EDT 2024. Contains 371918 sequences. (Running on oeis4.)