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A154565 as a simple table

n a(n)
1 2
2 15
3 51
4 210
5 330
6 651
7 1365
8 1650
9 1926
10 3480
11 5430
12 5985
13 6501
14 11310
15 16485
16 16590
17 21660
18 25026
19 27270
20 28635
21 35190
22 38001
23 39285
24 46905
25 48690
26 58905
27 64170
28 90651
29 109485
30 143376
31 148995
32 151845
33 190995
34 311676
35 316251
36 332526

[2,15,51,210,330,651,1365,1650,1926,3480,5430,
 5985,6501,11310,16485,16590,21660,25026,27270,
 28635,35190,38001,39285,46905,48690,58905,64170,
 90651,109485,143376,148995,151845,190995,311676,
 316251,332526]

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Last modified April 23 10:29 EDT 2024. Contains 371905 sequences. (Running on oeis4.)