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A071237 as a simple table

n a(n)
0 0
1 2
2 15
3 60
4 170
5 390
6 777
7 1400
8 2340
9 3690
10 5555
11 8052
12 11310
13 15470
14 20685
15 27120
16 34952
17 44370
18 55575
19 68780
20 84210
21 102102
22 122705
23 146280
24 173100
25 203450
26 237627
27 275940
28 318710
29 366270
30 418965
31 477152
32 541200
33 611490
34 688415
35 772380
36 863802
37 963110

[0,2,15,60,170,390,777,1400,2340,3690,5555,8052,
 11310,15470,20685,27120,34952,44370,55575,68780,
 84210,102102,122705,146280,173100,203450,237627,
 275940,318710,366270,418965,477152,541200,611490,
 688415,772380,863802,963110]

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Last modified April 19 06:16 EDT 2024. Contains 371782 sequences. (Running on oeis4.)