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A254367 as a simple table

n a(n)
0 70
1 126
2 294
3 846
4 2814
5 10326
6 40614
7 168126
8 723534
9 3208806
10 14570934
11 67417806
12 316645854
13 1505245686
14 7225414854
15 34956689886
16 170199537774
17 832952952966
18 4093454620374
19 20184631056366
20 99800366967294
21 494533989722646
22 2454868429675494

[70,126,294,846,2814,10326,40614,168126,723534,
 3208806,14570934,67417806,316645854,1505245686,
 7225414854,34956689886,170199537774,832952952966,
 4093454620374,20184631056366,99800366967294,
 494533989722646,2454868429675494]

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Last modified April 16 01:01 EDT 2024. Contains 371696 sequences. (Running on oeis4.)