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A020174 as a simple table

n a(n)
1 9
2 15
3 45
4 133
5 141
6 145
7 235
8 261
9 341
10 365
11 423
12 561
13 657
14 703
15 705
16 721
17 763
18 781
19 949
20 1105
21 1305
22 1417
23 1551
24 1645
25 1729
26 1885
27 1891
28 1957
29 1991
30 2071
31 2115
32 2117
33 2201
34 2465
35 2701
36 2821
37 3201
38 3285
39 4033
40 4089
41 4187
42 4371
43 4465
44 4681
45 5365
46 5611
47 5781

[9,15,45,133,141,145,235,261,341,365,423,561,657,
 703,705,721,763,781,949,1105,1305,1417,1551,1645,
 1729,1885,1891,1957,1991,2071,2115,2117,2201,2465,
 2701,2821,3201,3285,4033,4089,4187,4371,4465,4681,
 5365,5611,5781]

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Last modified April 28 15:29 EDT 2024. Contains 372088 sequences. (Running on oeis4.)