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A239371 as a simple table

na(n)
01
11
24
327
4252
52935
640351
7633864
811139840
9215800335
104557031407
11103989209082
122546369980589
1366521801043100
141845008781481516
1554102505102771686
161671315770146956704
1754219694639758864087
181842085959295755494339
1965380444351870047159358

[1,1,4,27,252,2935,40351,633864,11139840,
 215800335,4557031407,103989209082,2546369980589,
 66521801043100,1845008781481516,54102505102771686,
 1671315770146956704,54219694639758864087,
 1842085959295755494339,65380444351870047159358]