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A020150 as a simple table

n a(n)
1 21
2 69
3 91
4 105
5 161
6 169
7 345
8 483
9 485
10 645
11 805
12 1105
13 1183
14 1247
15 1261
16 1541
17 1649
18 1729
19 1891
20 2037
21 2041
22 2047
23 2413
24 2465
25 2737
26 2821
27 3241
28 3605
29 3801
30 5551
31 5565
32 5963
33 6019
34 6601
35 6693
36 7081
37 7107
38 7267
39 7665
40 8119
41 8365
42 8421
43 8911
44 9453
45 10185

[21,69,91,105,161,169,345,483,485,645,805,1105,
 1183,1247,1261,1541,1649,1729,1891,2037,2041,2047,
 2413,2465,2737,2821,3241,3605,3801,5551,5565,5963,
 6019,6601,6693,7081,7107,7267,7665,8119,8365,8421,
 8911,9453,10185]

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Last modified April 18 18:58 EDT 2024. Contains 371781 sequences. (Running on oeis4.)