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A057414 as a simple table

na(n)
81
94
1018
1162
12205
13624
141841
155214
1614448
1739118
18104281
19273900
20711416
211828950
224663203
2311801056
2429677044
2574209404
26184655403
27457446252
281128794669
292775534900
306802886782
3116625602146
3240524317635

[1,4,18,62,205,624,1841,5214,14448,39118,104281,
 273900,711416,1828950,4663203,11801056,29677044,
 74209404,184655403,457446252,1128794669,
 2775534900,6802886782,16625602146,40524317635]