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A254711 as a simple table

n a(n)
1 1
2 5
3 145
4 925
5 28085
6 179401
7 5448301
8 34802825
9 1056942265
10 6751568605
11 205041351065
12 1309769506501
13 39776965164301
14 254088532692545
15 7716526200523285
16 49291865572847185
17 1496966305936352945
18 9562367832599661301
19 290403746825451948001

[1,5,145,925,28085,179401,5448301,34802825,
 1056942265,6751568605,205041351065,1309769506501,
 39776965164301,254088532692545,7716526200523285,
 49291865572847185,1496966305936352945,
 9562367832599661301,290403746825451948001]

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Last modified June 21 20:04 EDT 2024. Contains 373559 sequences. (Running on oeis4.)