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A215862 as a simple table

n a(n)
0 0
1 4
2 19
3 55
4 125
5 245
6 434
7 714
8 1110
9 1650
10 2365
11 3289
12 4459
13 5915
14 7700
15 9860
16 12444
17 15504
18 19095
19 23275
20 28105
21 33649
22 39974
23 47150
24 55250
25 64350
26 74529
27 85869
28 98455
29 112375
30 127720
31 144584
32 163064
33 183260
34 205275
35 229215
36 255189
37 283309
38 313690
39 346450

[0,4,19,55,125,245,434,714,1110,1650,2365,3289,
 4459,5915,7700,9860,12444,15504,19095,23275,28105,
 33649,39974,47150,55250,64350,74529,85869,98455,
 112375,127720,144584,163064,183260,205275,229215,
 255189,283309,313690,346450]

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Last modified April 7 12:04 EDT 2020. Contains 333305 sequences. (Running on oeis4.)