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A309996 as a simple table

n a(n)
0 1
1 1
2 60
3 10746
4 4191916
5 2894100710
6 3128432924009
7 4887094401176148
8 10429904418286375276
9 29174096160751011237987
10 103602945849963939278211780
11 455474137757927866858846385930
12 2428879210633773939611859814825540
13 15447942216555014401018067561180236424 

[1,1,60,10746,4191916,2894100710,3128432924009,
 4887094401176148,10429904418286375276,
 29174096160751011237987,
 103602945849963939278211780,
 455474137757927866858846385930,
 2428879210633773939611859814825540,
 15447942216555014401018067561180236424]

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Last modified August 30 04:38 EDT 2024. Contains 375526 sequences. (Running on oeis4.)