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A113225 as a simple table

na(n)
01
11
23
36
415
535
685
7204
8493
91189
102871
116930
1216731
1340391
1497513
15235416
16568345
171372105
183312555
197997214
2019306983
2146611179
22112529341
23271669860
24655869061
251583407981
263822685023
279228778026
2822280241075
2953789260175

[1,1,3,6,15,35,85,204,493,1189,2871,6930,16731,
 40391,97513,235416,568345,1372105,3312555,7997214,
 19306983,46611179,112529341,271669860,655869061,
 1583407981,3822685023,9228778026,22280241075,
 53789260175]