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A253390 as a simple table

na(n)
116
2102
3174
4346
5666
61318
72726
85396
911392
1022634
1147926
1295464
13201644
14402272
15846688
161690724
173546388
187086130
1914818262
2029621624
2161778428
22123532896
23257035176
24514085752
251067445536
262135305688
274425565336
288853923848

[16,102,174,346,666,1318,2726,5396,11392,22634,
 47926,95464,201644,402272,846688,1690724,3546388,
 7086130,14818262,29621624,61778428,123532896,
 257035176,514085752,1067445536,2135305688,
 4425565336,8853923848]