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A260286 as a simple table

na(n)
148
2201
31336
45629
510952
672652
7385280
81076482
96847376
1052370322
11193796536
121164631962
1312219797584
1466126528758
15352038007240
164424875060216

[48,201,1336,5629,10952,72652,385280,1076482,
 6847376,52370322,193796536,1164631962,12219797584,
 66126528758,352038007240,4424875060216]