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A024392 as a simple table

n a(n)
1 80
2 806
3 4040
4 14155
5 39655
6 95200
7 204036
8 400830
9 734910
10 1273910
11 2107820
12 3353441
13 5159245
14 7710640
15 11235640
16 16010940
17 22368396
18 30701910
19 41474720
20 55227095
21 72584435
22 94265776
23 121092700
24 153998650
25 194038650
26 242399430

[80,806,4040,14155,39655,95200,204036,400830,
 734910,1273910,2107820,3353441,5159245,7710640,
 11235640,16010940,22368396,30701910,41474720,
 55227095,72584435,94265776,121092700,153998650,
 194038650,242399430]

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Last modified August 9 21:08 EDT 2022. Contains 356026 sequences. (Running on oeis4.)