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A148040 as a simple table

na(n)
01
11
22
33
48
519
655
7152
8475
91462
104746
1115587
1253395
13183704
14645336
152304003
168369954
1730628353
18113457813
19425476602
201610303851
216134996528
2223581388253
2391405898719
24356438621366
251397836274856
265518769111515
2721915664391127
2887424025172871
29350422697792128
301411783576129019
315711966700811943

[1,1,2,3,8,19,55,152,475,1462,4746,15587,53395,
 183704,645336,2304003,8369954,30628353,113457813,
 425476602,1610303851,6134996528,23581388253,
 91405898719,356438621366,1397836274856,
 5518769111515,21915664391127,87424025172871,
 350422697792128,1411783576129019,5711966700811943]