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A150646 as a simple table

na(n)
01
12
27
328
4115
5500
62222
710067
846210
9214561
101005078
114737301
1222463677
13107029474
14511992191
152457370516
1611830812439
1757106820758
18276269824537
191339241424340
206503928190006
2131636482948413
22154107605564757
23751681548781630
243670810368631306
2517945609466718551
2687818303399821312

[1,2,7,28,115,500,2222,10067,46210,214561,1005078,
 4737301,22463677,107029474,511992191,2457370516,
 11830812439,57106820758,276269824537,
 1339241424340,6503928190006,31636482948413,
 154107605564757,751681548781630,3670810368631306,
 17945609466718551,87818303399821312]