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A240763 as a simple table

na(n)
11
211
312
421
5111
6112
7121
8122
9123
10132
11211
12212
13213
14221
15231
16312
17321
181111
191112
201121
211122
221123
231132
241211
251212
261213
271221
281222
291223
301231
311232
321233
331234
341243
351312
361321
371322
381323
391324
401332
411342
421423
431432
442111
452112
462113
472121
482122
492123
502131
512132
522133
532134
542143
552211
562212

[1,11,12,21,111,112,121,122,123,132,211,212,213,
 221,231,312,321,1111,1112,1121,1122,1123,1132,
 1211,1212,1213,1221,1222,1223,1231,1232,1233,1234,
 1243,1312,1321,1322,1323,1324,1332,1342,1423,1432,
 2111,2112,2113,2121,2122,2123,2131,2132,2133,2134,
 2143,2211,2212]