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A244998 as a simple table

n a(n)
0 1
1 44
2 870
3 9480
4 68290
5 365936
6 1573374
7 5709120
8 18107760
9 51488800
10 133748186
11 321979164
12 726436425
13 1549758640
14 3148837580
15 6129352176
16 11486265339
17 20807609460
18 36563769670
19 62510325680
20 104239453956
21 169923049824
22 271300238650
23 424972948400

[1,44,870,9480,68290,365936,1573374,5709120,
 18107760,51488800,133748186,321979164,726436425,
 1549758640,3148837580,6129352176,11486265339,
 20807609460,36563769670,62510325680,104239453956,
 169923049824,271300238650,424972948400]

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Last modified September 25 10:31 EDT 2021. Contains 347654 sequences. (Running on oeis4.)