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A216978 as a simple table

n a(n)
1 0
2 1
3 39
4 51
5 81
6 195
7 213
8 219
9 231
10 333
11 351
12 393
13 417
14 501
15 531
16 567
17 657
18 729
19 747
20 807
21 945
22 1005
23 1059
24 1161
25 1173
26 1185
27 1191
28 1203
29 1281
30 1335
31 1371
32 1467
33 1479
34 1563
35 1587
36 1647
37 1653
38 1749
39 1761
40 1821
41 1845
42 1875
43 1929
44 2373
45 2379
46 2421
47 2529
48 2595

[0,1,39,51,81,195,213,219,231,333,351,393,417,501,
 531,567,657,729,747,807,945,1005,1059,1161,1173,
 1185,1191,1203,1281,1335,1371,1467,1479,1563,1587,
 1647,1653,1749,1761,1821,1845,1875,1929,2373,2379,
 2421,2529,2595]

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Last modified May 6 02:22 EDT 2024. Contains 372290 sequences. (Running on oeis4.)