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A246526 as a simple table

na(n)
01
11
24
327
4250
52951
642552
7726097
814318908
9320511105
108029282096
11222590246099
126765751467576
13223748991426247
147998566722112800
15307359039816710361
1612634664945078752528
17553260940314226017473
1825711427896197877574208
191263904006537455579001675

[1,1,4,27,250,2951,42552,726097,14318908,
 320511105,8029282096,222590246099,6765751467576,
 223748991426247,7998566722112800,
 307359039816710361,12634664945078752528,
 553260940314226017473,25711427896197877574208,
 1263904006537455579001675]