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A180668 as a simple table

na(n)
00
10
21
35
414
532
667
7133
8256
9484
10905
111681
123110
135740
1410579
1519481
1635856
1765976
18121377
19223277
20410702
21755432
221389491
232555709
244700720
258646012
2615902537
2729249369
2853798022
2998950036
30181997539
31334745713

[0,0,1,5,14,32,67,133,256,484,905,1681,3110,5740,
 10579,19481,35856,65976,121377,223277,410702,
 755432,1389491,2555709,4700720,8646012,15902537,
 29249369,53798022,98950036,181997539,334745713]