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A053367 as a simple table

n a(n)
0 1
1 11
2 63
3 255
4 825
5 2277
6 5577
7 12441
8 25740
9 50050
10 92378
11 163098
12 277134
13 455430
14 726750
15 1129854
16 1716099
17 2552517
18 3725425
19 5344625
20 7548255
21 10508355
22 14437215
23 19594575
24 26295750
25 34920756
26 45924516
27 59848228
28 77331980
29 99128700
30 126119532
31 159330732
32 199952181
33 249357615

[1,11,63,255,825,2277,5577,12441,25740,50050,
 92378,163098,277134,455430,726750,1129854,1716099,
 2552517,3725425,5344625,7548255,10508355,14437215,
 19594575,26295750,34920756,45924516,59848228,
 77331980,99128700,126119532,159330732,199952181,
 249357615]

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Last modified May 20 23:58 EDT 2024. Contains 372720 sequences. (Running on oeis4.)