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A020287 as a simple table

n a(n)
1 15
2 217
3 341
4 1261
5 2701
6 3661
7 6541
8 6697
9 7613
10 13213
11 16213
12 22177
13 23653
14 23959
15 31417
16 50117
17 61777
18 63139
19 67721
20 76301
21 77421
22 79381
23 80041
24 102341
25 113491
26 115231
27 145993
28 160147
29 163073
30 164737
31 170941
32 178709
33 197209
34 210817
35 249631

[15,217,341,1261,2701,3661,6541,6697,7613,13213,
 16213,22177,23653,23959,31417,50117,61777,63139,
 67721,76301,77421,79381,80041,102341,113491,
 115231,145993,160147,163073,164737,170941,178709,
 197209,210817,249631]

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Last modified April 25 06:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)