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A136955 as a simple table

na(n)
10
27
364
470
597
6640
7700
8970
9997
106400
116907
127000
137064
149700
159970
169997
1764000
1869070
1970000
2070640
2177974
2297000
2399700
2499747
2599970
2699997
27640000
28666907
29667907
30690700
31700000
32700497
33706400
34774647
35777676
36779740
37970000
38997000
39997470
40999700
41999747
42999970
43999997
446400000
456400774
466669070
476679070
486907000
497000000

[0,7,64,70,97,640,700,970,997,6400,6907,7000,7064,
 9700,9970,9997,64000,69070,70000,70640,77974,
 97000,99700,99747,99970,99997,640000,666907,
 667907,690700,700000,700497,706400,774647,777676,
 779740,970000,997000,997470,999700,999747,999970,
 999997,6400000,6400774,6669070,6679070,6907000,
 7000000]