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A054226 as a simple table

na(n)
01
11
22
32
47
510
619
734
860
9112
10214
11400
12761
131450
142774
155341
1610322
1719992
1838823
1975551
20147250
21287503
22562102
231100266
242155940
254228715
268301245
2716309119
2832064447
2963082900
30124181649
31244597440
32482026958
33950392529

[1,1,2,2,7,10,19,34,60,112,214,400,761,1450,2774,
 5341,10322,19992,38823,75551,147250,287503,562102,
 1100266,2155940,4228715,8301245,16309119,32064447,
 63082900,124181649,244597440,482026958,950392529]