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A241358 as a simple table

n a(n)
1 4
2 3
3 19
4 51
5 61
6 230
7 641
8 960
9 3746
10 9339
11 16659
12 60981
13 137870
14 288484
15 962239
16 2106198
17 4825844
18 14944563
19 32681302
20 79714689
21 232184355
22 513198469
23 1304385350
24 3611732771
25 8129991862
26 21132067461
27 56282787035
28 129448737499

[4,3,19,51,61,230,641,960,3746,9339,16659,60981,
 137870,288484,962239,2106198,4825844,14944563,
 32681302,79714689,232184355,513198469,1304385350,
 3611732771,8129991862,21132067461,56282787035,
 129448737499]

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Last modified October 26 17:32 EDT 2020. Contains 338027 sequences. (Running on oeis4.)