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A320268 as a simple table

na(n)
11
20
31
41
52
63
76
89
916
1026
1144
1270
13119
14189
15314
16506
17830
181336
192186
203522
215737
229266
2315047
2424313
2539444
2663759
27103322
28167098
29270616
30437714
31708676
321146390
331855582
343002017
354858429
367860454
3712720310
3820580764
3933303260
4053884144
4187190964

[1,0,1,1,2,3,6,9,16,26,44,70,119,189,314,506,830,
 1336,2186,3522,5737,9266,15047,24313,39444,63759,
 103322,167098,270616,437714,708676,1146390,
 1855582,3002017,4858429,7860454,12720310,20580764,
 33303260,53884144,87190964]