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A000077 as a simple table

na(n)
01
11
22
34
48
513
624
742
876
9140
10257
11483
12907
131717
143272
156261
1612027
1723172
1844769
1986708
20168245
21327073
22636849
231241720
242424290
254738450
269271396
2718157630
2835591729
2969820804
30137069245
31269270791
32529312776
331041093937
342048826229
354034062310

[1,1,2,4,8,13,24,42,76,140,257,483,907,1717,3272,
 6261,12027,23172,44769,86708,168245,327073,636849,
 1241720,2424290,4738450,9271396,18157630,35591729,
 69820804,137069245,269270791,529312776,1041093937,
 2048826229,4034062310]