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A045642 as a simple table

n a(n)
1 7
2 77
3 161
4 252
5 343
6 434
7 525
8 595
9 616
10 686
11 707
12 777
13 868
14 959
15 1001
16 1771
17 2002
18 2772
19 3003
20 3773
21 4004
22 4774
23 5005
24 5775
25 6006
26 6776
27 7007
28 7777
29 8008
30 8778
31 9009
32 9779
33 10101
34 10801
35 11011
36 11711
37 12621
38 13531
39 14441
40 15351
41 16261
42 16961

[7,77,161,252,343,434,525,595,616,686,707,777,868,
 959,1001,1771,2002,2772,3003,3773,4004,4774,5005,
 5775,6006,6776,7007,7777,8008,8778,9009,9779,
 10101,10801,11011,11711,12621,13531,14441,15351,
 16261,16961]

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Last modified April 24 20:08 EDT 2024. Contains 371963 sequences. (Running on oeis4.)