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A253710 as a simple table

n a(n)
1 1
2 1026
3 61100
4 1169750
5 12044025
6 83384476
7 437200176
8 1864757700
9 6779099625
10 21693441550
11 62545208076
12 165314338826
13 405941961425
14 935824239000
15 2042356907200
16 4248401203176
17 8470439399601
18 16262944822650
19 30186516503500
20 54350088184350
21 95193540843401
22 162596916293876
23 271426802958000
24 443660070587500

[1,1026,61100,1169750,12044025,83384476,437200176,
 1864757700,6779099625,21693441550,62545208076,
 165314338826,405941961425,935824239000,
 2042356907200,4248401203176,8470439399601,
 16262944822650,30186516503500,54350088184350,
 95193540843401,162596916293876,271426802958000,
 443660070587500]

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Last modified March 28 14:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)