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A180322 as a simple table

n a(n)
1 1
2 1
3 3
4 6
5 15
6 21
7 49
8 72
9 126
10 195
11 341
12 486
13 819
14 1225
15 1845
16 2880
17 4335
18 6552
19 9709
20 14850
21 21315
22 33077
23 47081
24 72360
25 102300
26 158067
27 220752
28 341334
29 475107
30 732735
31 1015777
32 1566720
33 2161599
34 3333615
35 4587135
36 7062552
37 9699291
38 14922733
39 20444697

[1,1,3,6,15,21,49,72,126,195,341,486,819,1225,
 1845,2880,4335,6552,9709,14850,21315,33077,47081,
 72360,102300,158067,220752,341334,475107,732735,
 1015777,1566720,2161599,3333615,4587135,7062552,
 9699291,14922733,20444697]

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Last modified April 25 07:53 EDT 2024. Contains 371964 sequences. (Running on oeis4.)