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A002042 as a simple table

na(n)
07
128
2112
3448
41792
57168
628672
7114688
8458752
91835008
107340032
1129360128
12117440512
13469762048
141879048192
157516192768
1630064771072
17120259084288
18481036337152
191924145348608
207696581394432
2130786325577728
22123145302310912
23492581209243648

[7,28,112,448,1792,7168,28672,114688,458752,
 1835008,7340032,29360128,117440512,469762048,
 1879048192,7516192768,30064771072,120259084288,
 481036337152,1924145348608,7696581394432,
 30786325577728,123145302310912,492581209243648]