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A270239 as a simple table

na(n)
01
16
242
3238
41260
56174
628784
7128046
8548832
92275372
109166311
1135987028
12138069505
13518758758
141912300908
156926911674
1624688892511
1786685575466
18300137463682
191025683381758
203462381505989
2111553577667100
2238134513479591
23124575624677088
24402986660479024

[1,6,42,238,1260,6174,28784,128046,548832,2275372,
 9166311,35987028,138069505,518758758,1912300908,
 6926911674,24688892511,86685575466,300137463682,
 1025683381758,3462381505989,11553577667100,
 38134513479591,124575624677088,402986660479024]