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A200040 as a simple table

n a(n)
1 2
2 28
3 84
4 218
5 444
6 808
7 1330
8 2068
9 2996
10 4230
11 5740
12 7552
13 9746
14 12348
15 15304
16 18782
17 22732
18 27144
19 32162
20 37784
21 43912
22 50790
23 58332
24 66496
25 75494
26 85280
27 95736
28 107166
29 119452
30 132524
31 146646
32 161752
33 177688
34 194822
35 213008
36 232132
37 252534

[2,28,84,218,444,808,1330,2068,2996,4230,5740,
 7552,9746,12348,15304,18782,22732,27144,32162,
 37784,43912,50790,58332,66496,75494,85280,95736,
 107166,119452,132524,146646,161752,177688,194822,
 213008,232132,252534]

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Last modified July 16 00:06 EDT 2024. Contains 374343 sequences. (Running on oeis4.)