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A081586 as a simple table

n a(n)
0 1
1 13
2 73
3 245
4 593
5 1181
6 2073
7 3333
8 5025
9 7213
10 9961
11 13333
12 17393
13 22205
14 27833
15 34341
16 41793
17 50253
18 59785
19 70453
20 82321
21 95453
22 109913
23 125765
24 143073
25 161901
26 182313
27 204373
28 228145
29 253693
30 281081
31 310373
32 341633
33 374925
34 410313
35 447861

[1,13,73,245,593,1181,2073,3333,5025,7213,9961,
 13333,17393,22205,27833,34341,41793,50253,59785,
 70453,82321,95453,109913,125765,143073,161901,
 182313,204373,228145,253693,281081,310373,341633,
 374925,410313,447861]

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Last modified July 26 13:40 EDT 2021. Contains 346294 sequences. (Running on oeis4.)