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A207728 as a simple table

n a(n)
1 40
2 1600
3 6016
4 33063
5 211680
6 1029231
7 4799749
8 23473944
9 111527152
10 517774120
11 2415619129
12 11251097760
13 52094413065
14 240990441237
15 1114766044504
16 5150494925352
17 23781871171576
18 109797744696883
19 506801727014800

[40,1600,6016,33063,211680,1029231,4799749,
 23473944,111527152,517774120,2415619129,
 11251097760,52094413065,240990441237,
 1114766044504,5150494925352,23781871171576,
 109797744696883,506801727014800]

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Last modified December 2 11:44 EST 2021. Contains 349440 sequences. (Running on oeis4.)