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A131682 as a simple table

n a(n)
0 2
1 7
2 42
3 242
4 1050
5 3537
6 9842
7 23732
8 51282
9 101675
10 188122
11 328902
12 548522
13 878997
14 1361250
15 2046632
16 2998562
17 4294287
18 6026762
19 8306650
20 11264442
21 15052697
22 19848402
23 25855452
24 33307250
25 42469427
26 53642682
27 67165742
28 83418442
29 102824925
30 125856962

[2,7,42,242,1050,3537,9842,23732,51282,101675,
 188122,328902,548522,878997,1361250,2046632,
 2998562,4294287,6026762,8306650,11264442,15052697,
 19848402,25855452,33307250,42469427,53642682,
 67165742,83418442,102824925,125856962]

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Last modified January 26 11:23 EST 2020. Contains 331279 sequences. (Running on oeis4.)