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A160459 as a simple table

na(n)
12
213
366
4286
51102
63879
712688
839050
9114114
10318863
11856654
122222688
135589916
1413668072
1532576016
1675845402
17172830788
18386088741
19846744800
201825447086
213872819904
228094022001
2316679126516
2433916289400
2568106769602
26135148379654
27265177195950

[2,13,66,286,1102,3879,12688,39050,114114,318863,
 856654,2222688,5589916,13668072,32576016,75845402,
 172830788,386088741,846744800,1825447086,
 3872819904,8094022001,16679126516,33916289400,
 68106769602,135148379654,265177195950]