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A026593 as a simple table

na(n)
11
21
38
422
5121
6406
72155
87624
940717
10147001
11792351
122892044
1315703156
1457728737
15315180458
161164727748
176385672193
1823691834033
19130316812494
20485018155062
212674846358141
229980763478121
2355161813337474
24206262229900060
251142020843590221
264277853480389546
2723721423518350124
2888991782850212510

[1,1,8,22,121,406,2155,7624,40717,147001,792351,
 2892044,15703156,57728737,315180458,1164727748,
 6385672193,23691834033,130316812494,485018155062,
 2674846358141,9980763478121,55161813337474,
 206262229900060,1142020843590221,4277853480389546,
 23721423518350124,88991782850212510]