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A308215 as a simple table

na(n)
00
12
212
311
439
528
682
753
8141
986
10216
11127
12307
13176
14414
15233
16537
17298
18676
19371
20831
21452
221002
23541
241189
25638
261392
27743
281611
29856
301846
31977
322097
331106
342364
351243
362647
371388
382946
391541
403261
411702
423592
431871
443939
452048

[0,2,12,11,39,28,82,53,141,86,216,127,307,176,414,
 233,537,298,676,371,831,452,1002,541,1189,638,
 1392,743,1611,856,1846,977,2097,1106,2364,1243,
 2647,1388,2946,1541,3261,1702,3592,1871,3939,2048]