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A141249 as a simple table

n a(n)
1 1
2 21
3 33
4 45
5 73
6 81
7 193
8 201
9 241
10 273
11 313
12 381
13 421
14 445
15 453
16 661
17 693
18 861
19 885
20 913 

[1,21,33,45,73,81,193,201,241,273,313,381,421,445,
 453,661,693,861,885,913]

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Last modified May 9 18:00 EDT 2024. Contains 372354 sequences. (Running on oeis4.)