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A030224 as a simple table

n a(n)
1 0
2 0
3 0
4 1
5 2
6 7
7 19
8 54
9 147
10 418
11 1150
12 3254
13 9138
14 25953
15 73717
16 210719
17 603370
18 1734739
19 4998542
20 14444576
21 41829991
22 121406927
23 353029078
24 1028417980
25 3000754648
26 8769118355
27 25661830891
28 75194886765
29 220605144778
30 647942827064
31 1905103686527
32 5607037213434
33 16517892572160
34 48703328674762

[0,0,0,1,2,7,19,54,147,418,1150,3254,9138,25953,
 73717,210719,603370,1734739,4998542,14444576,
 41829991,121406927,353029078,1028417980,
 3000754648,8769118355,25661830891,75194886765,
 220605144778,647942827064,1905103686527,
 5607037213434,16517892572160,48703328674762]

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)