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A113201 as a simple table

n a(n)
4 1
5 1
6 2
7 3
8 9
9 18
10 62
11 198
12 803
13 3378
14 15882
15 77185
16 393075
17 2049974
18 10938182
19 59312272
20 326258544
21 1815910231
22 10213424233
23 57974895671
24 331820721234
25 1913429250439
26 11109119321058
27 64901418126997

[1,1,2,3,9,18,62,198,803,3378,15882,77185,393075,
 2049974,10938182,59312272,326258544,1815910231,
 10213424233,57974895671,331820721234,
 1913429250439,11109119321058,64901418126997]

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Last modified April 24 10:11 EDT 2024. Contains 371935 sequences. (Running on oeis4.)