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A153986 as a simple table

na(n)
01
11
22
32
42
54
69
715
837
988
10191
11729
122246
136555
1431434
15144150
16601688
173970089
1824322158
19135488789
201251604698
2110410417129
2279632436378
23997602199170
2411483571472544
25120898733308159
262073714604283068
2732605974669636948

[1,1,2,2,2,4,9,15,37,88,191,729,2246,6555,31434,
 144150,601688,3970089,24322158,135488789,
 1251604698,10410417129,79632436378,997602199170,
 11483571472544,120898733308159,2073714604283068,
 32605974669636948]