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A023031 as a simple table

n a(n)
6 1
7 6
8 21
9 56
10 126
11 252
12 461
13 792
14 1281
15 2002
16 2982
17 4368
18 6131
19 8568
20 11502
21 15498
22 20097
23 26334
24 33166
25 42504
26 52338
27 65724
28 79443
29 98280
30 116626
31 142506
32 166908
33 201124
34 232968
35 278250
36 317983
37 376992
38 427329
39 501150
40 564108
41 658008
42 732612

[1,6,21,56,126,252,461,792,1281,2002,2982,4368,
 6131,8568,11502,15498,20097,26334,33166,42504,
 52338,65724,79443,98280,116626,142506,166908,
 201124,232968,278250,317983,376992,427329,501150,
 564108,658008,732612]

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Last modified April 24 02:46 EDT 2024. Contains 371917 sequences. (Running on oeis4.)