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A344559 as a simple table

n a(n)
0 0
1 0
2 0
3 1
4 4
5 10
6 35
7 140
8 476
9 1624
10 6070
11 22495
12 81455
13 301301
14 1131494
15 4230681
16 15852396
17 59881956
18 226877648
19 860447129
20 3273728234
21 12493453344
22 47760610689
23 182905145214
24 701883651799
25 2697952583635
26 10385325566785
27 40033903418860
28 154534663044346

[0,0,0,1,4,10,35,140,476,1624,6070,22495,81455,
 301301,1131494,4230681,15852396,59881956,
 226877648,860447129,3273728234,12493453344,
 47760610689,182905145214,701883651799,
 2697952583635,10385325566785,40033903418860,
 154534663044346]

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Last modified June 28 20:03 EDT 2024. Contains 373800 sequences. (Running on oeis4.)