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A001246 as a simple table

n a(n)
0 1
1 1
2 4
3 25
4 196
5 1764
6 17424
7 184041
8 2044900
9 23639044
10 282105616
11 3455793796
12 43268992144
13 551900410000
14 7152629313600
15 93990019574025
16 1250164827828900
17 16807771574144100
18 228138727737690000
19 3123219182728976100
20 43087676888260976400
21 598598221893939680400
22 8369059450146650049600

[1,1,4,25,196,1764,17424,184041,2044900,23639044,
 282105616,3455793796,43268992144,551900410000,
 7152629313600,93990019574025,1250164827828900,
 16807771574144100,228138727737690000,
 3123219182728976100,43087676888260976400,
 598598221893939680400,8369059450146650049600]

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Last modified April 19 16:21 EDT 2024. Contains 371794 sequences. (Running on oeis4.)