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A145609 as a simple table

n a(n)
1 3
2 25
3 49
4 761
5 7381
6 86021
7 1171733
8 2436559
9 14274301
10 55835135
11 19093197
12 1347822955
13 34395742267
14 315404588903
15 9304682830147
16 586061125622639
17 54062195834749
18 54801925434709
19 2053580969474233
20 2078178381193813

[3,25,49,761,7381,86021,1171733,2436559,14274301,
 55835135,19093197,1347822955,34395742267,
 315404588903,9304682830147,586061125622639,
 54062195834749,54801925434709,2053580969474233,
 2078178381193813]

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Last modified April 25 12:33 EDT 2024. Contains 371969 sequences. (Running on oeis4.)