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A183932 as a simple table

n a(n)
1 1
2 4
3 15
4 56
5 157
6 421
7 1030
8 2349
9 5033
10 10278
11 20065
12 37609
13 68129
14 119718
15 204358
16 340240
17 553695
18 882178
19 1378928
20 2117950
21 3199767
22 4762105
23 6989141
24 10123604
25 14486392
26 20495431
27 28686822
28 39751213
29 54565631
30 74232787
31 100141371

[1,4,15,56,157,421,1030,2349,5033,10278,20065,
 37609,68129,119718,204358,340240,553695,882178,
 1378928,2117950,3199767,4762105,6989141,10123604,
 14486392,20495431,28686822,39751213,54565631,
 74232787,100141371]

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Last modified April 23 08:19 EDT 2024. Contains 371905 sequences. (Running on oeis4.)