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A026096 as a simple table

na(n)
02
14
28
315
442
5127
6376
71122
83344
99980
1029796
1189007
12265986
13795147
142377744
157112065
1621277698
1763670773
18190560180
19570416805
201707707142
215113158165
2215311384784
2345854766744
24137339426436
25411379964442
261232324471060

[2,4,8,15,42,127,376,1122,3344,9980,29796,89007,
 265986,795147,2377744,7112065,21277698,63670773,
 190560180,570416805,1707707142,5113158165,
 15311384784,45854766744,137339426436,411379964442,
 1232324471060]