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A164804 as a simple table

n a(n)
1 1
2 4
3 -1
4 1001
5 50
6 -1
7 19
8 24
9 31
10 34
11 44
12 54
13 119
14 124
15 131
16 134
17 144
18 154
19 231
20 234
21 244
22 254
23 354
24 444
25 454

[1,4,-1,1001,50,-1,19,24,31,34,44,54,119,124,131,
 134,144,154,231,234,244,254,354,444,454]

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Last modified June 22 06:24 EDT 2024. Contains 373565 sequences. (Running on oeis4.)