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A224368 as a simple table

na(n)
13
254
31838
477793
53607078
6174854516
78684742989
8437757725110
922283207886650
101142441203546438
1158904154561219603
123051594326913582293
13158760240705250821719
148291742411017787312243
15434658935860309950718887

[3,54,1838,77793,3607078,174854516,8684742989,
 437757725110,22283207886650,1142441203546438,
 58904154561219603,3051594326913582293,
 158760240705250821719,8291742411017787312243,
 434658935860309950718887]