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A304991 as a simple table

n a(n)
0 1
1 1
2 2
3 6
4 10
5 21
6 44
7 75
8 132
9 240
10 420
11 672
12 1155
13 1818
14 2970
15 4752
16 7392
17 11286
18 17710
19 26460
20 40128
21 60192
22 89178
23 130520
24 192150
25 278036
26 401940
27 577920
28 825396
29 1168640
30 1658784
31 2326280
32 3256110
33 4544064
34 6302720
35 8706555
36 12008636
37 16444120
38 22476960

[1,1,2,6,10,21,44,75,132,240,420,672,1155,1818,
 2970,4752,7392,11286,17710,26460,40128,60192,
 89178,130520,192150,278036,401940,577920,825396,
 1168640,1658784,2326280,3256110,4544064,6302720,
 8706555,12008636,16444120,22476960]

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Last modified May 20 21:47 EDT 2024. Contains 372720 sequences. (Running on oeis4.)