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A221556 as a simple table

na(n)
148271
2182605794
31291394886
41914720637
52078669041
6407355683
71105902161
8854716505
9564586691
101596680831
11192302371
121203428207
131250328747
141738531149
151271135913
161098894339
171882556969
182136927794
191559527823
202075782095
21638022372
22914937185
231931656580

[48271,182605794,1291394886,1914720637,2078669041,
 407355683,1105902161,854716505,564586691,
 1596680831,192302371,1203428207,1250328747,
 1738531149,1271135913,1098894339,1882556969,
 2136927794,1559527823,2075782095,638022372,
 914937185,1931656580]