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A305442 as a simple table

na(n)
01
11
22
34
47
513
624
744
881
9149
10274
11501
12918
131686
143110
155724
1610543
1719435
1835857
1966198
20122294
21226135
22418351
23774372
241434089
252657205
264925796
279135403
2816949546
2931460330
3058415177
31108502732
32201603881
33374707879
34696649896
351295562234
362410000999

[1,1,2,4,7,13,24,44,81,149,274,501,918,1686,3110,
 5724,10543,19435,35857,66198,122294,226135,418351,
 774372,1434089,2657205,4925796,9135403,16949546,
 31460330,58415177,108502732,201603881,374707879,
 696649896,1295562234,2410000999]