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A164796 as a simple table

n a(n)
1 -1
2 -1
3 0
4 4
5 1000000000000
6 4000000000000
7 3000000000000
8 43
9 23
10 24
11 74
12 24000000000000
13 103
14 104
15 303
16 304
17 3004
18 143
19 123
20 124
21 174
22 324
23 374
24 1103
25 1104
26 1303
27 1304
28 3303
29 1143
30 1123
31 1124
32 1174
33 1324
34 1374
35 3324
36 3374
37 11374
38 13324
39 13374
40 17374
41 23324

[-1,-1,0,4,1000000000000,4000000000000,
 3000000000000,43,23,24,74,24000000000000,103,104,
 303,304,3004,143,123,124,174,324,374,1103,1104,
 1303,1304,3303,1143,1123,1124,1174,1324,1374,3324,
 3374,11374,13324,13374,17374,23324]

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Last modified August 23 14:54 EDT 2024. Contains 375396 sequences. (Running on oeis4.)