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A027242 as a simple table

n a(n)
3 1
4 10
5 68
6 402
7 2258
8 12072
9 64963
10 338824
11 1817063
12 9467940
13 51258781
14 269085042
15 1475551064
16 7822940886
17 43422818989
18 232480179882
19 1303561020575
20 7040175844640
21 39786449049369
22 216469879238194
23 1230485470688864
24 6736096483008440
25 38451562317699992
26 211571284685596944

[1,10,68,402,2258,12072,64963,338824,1817063,
 9467940,51258781,269085042,1475551064,7822940886,
 43422818989,232480179882,1303561020575,
 7040175844640,39786449049369,216469879238194,
 1230485470688864,6736096483008440,
 38451562317699992,211571284685596944]

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)