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A201275 as a simple table

n a(n)
0 1
1 1
2 9
3 41
4 143
5 442
6 1260
7 3113
8 7331
9 15969
10 32737
11 63942
12 120318
13 216392
14 377902
15 640970
16 1055829
17 1699241
18 2679576
19 4132842
20 6267048
21 9345121
22 13712218
23 19841970
24 28343579
25 39963063
26 55722233
27 76873873
28 104958237
29 141966994
30 190366323
31 253040267
32 333758897

[1,1,9,41,143,442,1260,3113,7331,15969,32737,
 63942,120318,216392,377902,640970,1055829,1699241,
 2679576,4132842,6267048,9345121,13712218,19841970,
 28343579,39963063,55722233,76873873,104958237,
 141966994,190366323,253040267,333758897]

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Last modified March 28 16:00 EDT 2024. Contains 371254 sequences. (Running on oeis4.)