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A247643 as a simple table

n a(n)
0 1
1 3
2 9
3 15
4 27
5 37
6 55
7 69
8 93
9 111
10 141
11 163
12 199
13 225
14 267
15 297
16 345
17 379
18 433
19 471
20 531
21 573
22 639
23 685
24 757
25 807
26 885
27 939
28 1023
29 1081
30 1171
31 1233
32 1329
33 1395
34 1497
35 1567
36 1675
37 1749
38 1863
39 1941
40 2061
41 2143
42 2269
43 2355
44 2487
45 2577
46 2715
47 2809
48 2953
49 3051

[1,3,9,15,27,37,55,69,93,111,141,163,199,225,267,
 297,345,379,433,471,531,573,639,685,757,807,885,
 939,1023,1081,1171,1233,1329,1395,1497,1567,1675,
 1749,1863,1941,2061,2143,2269,2355,2487,2577,2715,
 2809,2953,3051]

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Last modified April 19 13:40 EDT 2024. Contains 371792 sequences. (Running on oeis4.)