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A149197 as a simple table

na(n)
01
11
24
310
438
5127
6498
71846
87458
929123
10120377
11486047
122044320
138456536
1436043135
15151821939
16653902619
172792757249
1812132725385
1952385920494
20229244652005
21998645414067
224397348211972
2319297997436455
2485431003830801
25377265869504289
261677950193296670
277449555762421172

[1,1,4,10,38,127,498,1846,7458,29123,120377,
 486047,2044320,8456536,36043135,151821939,
 653902619,2792757249,12132725385,52385920494,
 229244652005,998645414067,4397348211972,
 19297997436455,85431003830801,377265869504289,
 1677950193296670,7449555762421172]