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A153996 as a simple table

na(n)
01
12
22
34
48
512
626
7101
8183
9703
102877
1110411
1240654
13329616
141193895
159029186
1673784076
17520396717
183984125165
1963450006981
20453313410587
216773173674923
22109501240761989
231529036617116906
2423146045371160181
25731081927354538564

[1,2,2,4,8,12,26,101,183,703,2877,10411,40654,
 329616,1193895,9029186,73784076,520396717,
 3984125165,63450006981,453313410587,6773173674923,
 109501240761989,1529036617116906,
 23146045371160181,731081927354538564]