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A097598 as a simple table

na(n)
010
111
212
313
414
515
616
717
818
919
101011
1121
121211
131311
141411
151511
161611
171711
181811
191911
201012
211112
2222
231312
241412
251512
261612
271712
281812
291912
301013
311113
321213
3323
341413
351513
361613
371713
381813
391913
401014
411114
421214
431314
4424
451514
461614

[10,11,12,13,14,15,16,17,18,19,1011,21,1211,1311,
 1411,1511,1611,1711,1811,1911,1012,1112,22,1312,
 1412,1512,1612,1712,1812,1912,1013,1113,1213,23,
 1413,1513,1613,1713,1813,1913,1014,1114,1214,1314,
 24,1514,1614]