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A097075 as a simple table

na(n)
01
10
22
33
49
520
650
7119
8289
9696
101682
114059
129801
1323660
1457122
15137903
16332929
17803760
181940450
194684659
2011309769
2127304196
2265918162
23159140519
24384199201
25927538920
262239277042
275406093003
2813051463049
2931509019100
3076069501250

[1,0,2,3,9,20,50,119,289,696,1682,4059,9801,23660,
 57122,137903,332929,803760,1940450,4684659,
 11309769,27304196,65918162,159140519,384199201,
 927538920,2239277042,5406093003,13051463049,
 31509019100,76069501250]