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A050534 as a simple table

n a(n)
0 0
1 0
2 0
3 3
4 15
5 45
6 105
7 210
8 378
9 630
10 990
11 1485
12 2145
13 3003
14 4095
15 5460
16 7140
17 9180
18 11628
19 14535
20 17955
21 21945
22 26565
23 31878
24 37950
25 44850
26 52650
27 61425
28 71253
29 82215
30 94395
31 107880
32 122760
33 139128
34 157080
35 176715
36 198135
37 221445
38 246753
39 274170
40 303810
41 335790

[0,0,0,3,15,45,105,210,378,630,990,1485,2145,3003,
 4095,5460,7140,9180,11628,14535,17955,21945,26565,
 31878,37950,44850,52650,61425,71253,82215,94395,
 107880,122760,139128,157080,176715,198135,221445,
 246753,274170,303810,335790]

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