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A246563 as a simple table

na(n)
01
11
22
36
415
539
6116
7340
81001
93041
109322
1128718
1289363
13279987
14881376
152788464
168860677
1728256709
1890407666
19290124182
20933482527
213010689527
229731366060
2331516942060
24102259648701
25332347297141
261081810639970
273526399820374
2811510355762339
2937616896717155

[1,1,2,6,15,39,116,340,1001,3041,9322,28718,89363,
 279987,881376,2788464,8860677,28256709,90407666,
 290124182,933482527,3010689527,9731366060,
 31516942060,102259648701,332347297141,
 1081810639970,3526399820374,11510355762339,
 37616896717155]