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A051928 as a simple table

na(n)
04
11
213
334
4121
5391
61300
74285
814161
946762
10154453
11510115
121684804
135564521
1418378373
1560699634
16200477281
17662131471
182186871700
197222746565
2023855111401
2178788080762
22260219353693
23859446141835
242838557779204
259375119479441
2630963916217533

[4,1,13,34,121,391,1300,4285,14161,46762,154453,
 510115,1684804,5564521,18378373,60699634,
 200477281,662131471,2186871700,7222746565,
 23855111401,78788080762,260219353693,859446141835,
 2838557779204,9375119479441,30963916217533]