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A140904 as a simple table

n a(n)
0 1
1 210
2 13860
3 457380
4 9343620
5 133613766
6 1447482465
7 12544848030
8 90474964580
9 559299781040
10 3031952379456
11 14675134144320
12 64344818940480
13 258616676126160
14 962206162645860
15 3341308066756506
16 10904939897954025
17 33648885753232750
18 98669664990682500

[1,210,13860,457380,9343620,133613766,1447482465,
 12544848030,90474964580,559299781040,
 3031952379456,14675134144320,64344818940480,
 258616676126160,962206162645860,3341308066756506,
 10904939897954025,33648885753232750,
 98669664990682500]

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Last modified May 21 11:28 EDT 2022. Contains 353908 sequences. (Running on oeis4.)