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A098442 as a simple table

n a(n)
0 1
1 1
2 49
3 145
4 3745
5 17761
6 329041
7 2057329
8 31209025
9 232680385
10 3110464369
11 26033283409
12 320766732001
13 2899777798945
14 33888636756625
15 322631662569265
16 3643305557364865
17 35919365323430785
18 396728681192463025

[1,1,49,145,3745,17761,329041,2057329,31209025,
 232680385,3110464369,26033283409,320766732001,
 2899777798945,33888636756625,322631662569265,
 3643305557364865,35919365323430785,
 396728681192463025]

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Last modified June 13 00:51 EDT 2024. Contains 373362 sequences. (Running on oeis4.)