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A250356 as a simple table

n a(n)
1 128
2 1791
3 12620
4 59406
5 214716
6 644040
7 1681860
8 3932472
9 8409252
10 16713576
11 31259100
12 55546440
13 94493292
14 154825032
15 245530836
16 378390360
17 568576020
18 835335912
19 1202762412
20 1700651496
21 2365457820
22 3241350600
23 4381375332

[128,1791,12620,59406,214716,644040,1681860,
 3932472,8409252,16713576,31259100,55546440,
 94493292,154825032,245530836,378390360,568576020,
 835335912,1202762412,1700651496,2365457820,
 3241350600,4381375332]

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Last modified October 21 11:42 EDT 2019. Contains 328296 sequences. (Running on oeis4.)