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A000481 as a simple table

n a(n)
5 1
6 15
7 140
8 1050
9 6951
10 42525
11 246730
12 1379400
13 7508501
14 40075035
15 210766920
16 1096190550
17 5652751651
18 28958095545
19 147589284710
20 749206090500
21 3791262568401
22 19137821912055
23 96416888184100
24 485000783495250
25 2436684974110751
26 12230196160292565
27 61338207158409090

[1,15,140,1050,6951,42525,246730,1379400,7508501,
 40075035,210766920,1096190550,5652751651,
 28958095545,147589284710,749206090500,
 3791262568401,19137821912055,96416888184100,
 485000783495250,2436684974110751,
 12230196160292565,61338207158409090]

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Last modified March 29 07:27 EDT 2024. Contains 371265 sequences. (Running on oeis4.)