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A148397 as a simple table

na(n)
01
11
22
35
416
553
6201
7735
82865
911311
1045866
11189465
12796172
133381641
1414561199
1563187193
16276872754
171222044791
185430760602
1924286138255
20109201747174
21493481357555
222240419937667
2310213170677321
2446739370653550
25214646461546109
26988964308208578
274570386968516601
2821180640601186075

[1,1,2,5,16,53,201,735,2865,11311,45866,189465,
 796172,3381641,14561199,63187193,276872754,
 1222044791,5430760602,24286138255,109201747174,
 493481357555,2240419937667,10213170677321,
 46739370653550,214646461546109,988964308208578,
 4570386968516601,21180640601186075]