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A207950 as a simple table

n a(n)
1 10
2 100
3 370
4 1369
5 3478
6 8836
7 18330
8 38025
9 69420
10 126736
11 211820
12 354025
13 554540
14 868624
15 1294548
16 1929321
17 2764110
18 3960100
19 5494390
20 7623121
21 10298530
22 13912900
23 18377710
24 24275329
25 31453968
26 40755456
27 51933840
28 66178225
29 83107160

[10,100,370,1369,3478,8836,18330,38025,69420,
 126736,211820,354025,554540,868624,1294548,
 1929321,2764110,3960100,5494390,7623121,10298530,
 13912900,18377710,24275329,31453968,40755456,
 51933840,66178225,83107160]

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Last modified November 27 12:51 EST 2021. Contains 349394 sequences. (Running on oeis4.)