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A356508 as a simple table

na(n)
01
14
214
384
4444
52928
618214
7125428
8844534
95989816
1042186878
11305757288
122215509018
1316326672796
14120612763510
15900561207232
166746557569136
1750906726784700
18385432963013140
192933390906035044
2022395805754363208
21171660252748284852
221319474586701337644

[1,4,14,84,444,2928,18214,125428,844534,5989816,
 42186878,305757288,2215509018,16326672796,
 120612763510,900561207232,6746557569136,
 50906726784700,385432963013140,2933390906035044,
 22395805754363208,171660252748284852,
 1319474586701337644]