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A247609 as a simple table

n a(n)
0 1
1 9
2 45
3 165
4 495
5 1231
6 2639
7 5055
8 8885
9 14605
10 22761
11 33969
12 48915
13 68355
14 93115
15 124091
16 162249
17 208625
18 264325
19 330525
20 408471
21 499479
22 604935
23 726295
24 865085
25 1022901
26 1201409
27 1402345
28 1627515
29 1878795
30 2158131
31 2467539
32 2809105
33 3184985
34 3597405

[1,9,45,165,495,1231,2639,5055,8885,14605,22761,
 33969,48915,68355,93115,124091,162249,208625,
 264325,330525,408471,499479,604935,726295,865085,
 1022901,1201409,1402345,1627515,1878795,2158131,
 2467539,2809105,3184985,3597405]

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Last modified May 19 07:05 EDT 2024. Contains 372666 sequences. (Running on oeis4.)