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A148791 as a simple table

na(n)
01
11
23
38
425
577
6257
7865
83021
910549
1037753
11135438
12494280
131806200
146678951
1524716159
1692336889
17345207465
181299979995
194897841100
2018561069686
2170366144206
22268059657293
231021470014124
243908025765480
2514955232173032
2657425244146832
27220542549019640
28849474612586124
293272448053938140

[1,1,3,8,25,77,257,865,3021,10549,37753,135438,
 494280,1806200,6678951,24716159,92336889,
 345207465,1299979995,4897841100,18561069686,
 70366144206,268059657293,1021470014124,
 3908025765480,14955232173032,57425244146832,
 220542549019640,849474612586124,3272448053938140]