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A303730 as a simple table

n a(n)
0 1
1 0
2 1
3 3
4 10
5 35
6 128
7 483
8 1866
9 7344
10 29342
11 118701
12 485249
13 2001467
14 8319019
15 34810084
16 146519286
17 619939204
18 2635257950
19 11248889770
20 48198305528
21 207222648334
22 893704746508
23 3865335575201
24 16761606193951
25 72860178774410
26 317418310631983
27 1385703968792040

[1,0,1,3,10,35,128,483,1866,7344,29342,118701,
 485249,2001467,8319019,34810084,146519286,
 619939204,2635257950,11248889770,48198305528,
 207222648334,893704746508,3865335575201,
 16761606193951,72860178774410,317418310631983,
 1385703968792040]

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Last modified April 25 11:16 EDT 2024. Contains 371967 sequences. (Running on oeis4.)