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A020991 as a simple table

na(n)
10
23
36
415
526
627
730
863
9106
10107
11110
12111
13122
14123
15126
16255
17426
18427
19430
20431
21442
22443
23446
24447
25490
26491
27494
28495
29506
30507
31510
321023
331706
341707
351710
361711
371722
381723
391726
401727
411770
421771
431774
441775
451786
461787
471790
481791
491962
501963

[0,3,6,15,26,27,30,63,106,107,110,111,122,123,126,
 255,426,427,430,431,442,443,446,447,490,491,494,
 495,506,507,510,1023,1706,1707,1710,1711,1722,
 1723,1726,1727,1770,1771,1774,1775,1786,1787,1790,
 1791,1962,1963]