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A058855 as a simple table

na(n)
01
11
24
38
422
552
6142
7362
8973
92574
106935
1118643
1250573
13137401
14375306
151027898
162825831
177790055
1821539352
1959706865
20165921896
21462127857
221289901083
233607567539
2410108555623
2528374358327
2679777757405
27224653284863

[1,1,4,8,22,52,142,362,973,2574,6935,18643,50573,
 137401,375306,1027898,2825831,7790055,21539352,
 59706865,165921896,462127857,1289901083,
 3607567539,10108555623,28374358327,79777757405,
 224653284863]