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A164810 as a simple table

n a(n)
1 2
2 -1
3 -1
4 1002
5 -1
6 -1
7 22
8 3002
9 32
10 42
11 52
12 302
13 122
14 402
15 132
16 142
17 152
18 322
19 232
20 242
21 252
22 352
23 442
24 452
25 1352
26 1442
27 1452
28 2352
29 2442
30 2452
31 3452
32 4442
33 4452

[2,-1,-1,1002,-1,-1,22,3002,32,42,52,302,122,402,
 132,142,152,322,232,242,252,352,442,452,1352,1442,
 1452,2352,2442,2452,3452,4442,4452]

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Last modified November 30 16:47 EST 2021. Contains 349423 sequences. (Running on oeis4.)