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A048888 as a simple table

na(n)
00
11
22
34
47
513
623
742
876
9139
10255
11471
12873
131627
143044
155718
1610779
1720387
1838673
1973561
20140267
21268065
22513349
23984910
241892874
253643569
267023561
2713557019
2826200181
2950691977
3098182665
31190353369
32369393465
33717457655

[0,1,2,4,7,13,23,42,76,139,255,471,873,1627,3044,
 5718,10779,20387,38673,73561,140267,268065,513349,
 984910,1892874,3643569,7023561,13557019,26200181,
 50691977,98182665,190353369,369393465,717457655]