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A044374 as a simple table

na(n)
142
2142
3242
4342
5420
6442
7542
8642
9742
10842
11942
121042
131142
141242
151342
161420
171442
181542
191642
201742
211842
221942
232042
242142
252242
262342
272420
282442
292542
302642
312742
322842
332942
343042
353142
363242
373342
383420
393442

[42,142,242,342,420,442,542,642,742,842,942,1042,
 1142,1242,1342,1420,1442,1542,1642,1742,1842,1942,
 2042,2142,2242,2342,2420,2442,2542,2642,2742,2842,
 2942,3042,3142,3242,3342,3420,3442]