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A089408 as a simple table

na(n)
01
11
22
31
42
52
64
75
810
914
1028
1142
1284
13132
14264
15429
16858
171430
182860
194862
209724
2116796
2233592
2358786
24117572
25208012
26416024
27742900
281485800
292674440
305348880
319694845
3219389690
3335357670
3470715340
35129644790
36259289580
37477638700

[1,1,2,1,2,2,4,5,10,14,28,42,84,132,264,429,858,
 1430,2860,4862,9724,16796,33592,58786,117572,
 208012,416024,742900,1485800,2674440,5348880,
 9694845,19389690,35357670,70715340,129644790,
 259289580,477638700]