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A149835 as a simple table

na(n)
01
12
24
310
430
596
6324
71138
84134
915464
1059198
11230678
12913916
133672582
1414940794
1561426632
16254982076
171067415522
184502824810
1919124778850
2081738521776
21351324672662
221517933308038
236589522925548
2428732010239624
25125785366412276
26552750320877912
272437456478786392
2810783477702624244

[1,2,4,10,30,96,324,1138,4134,15464,59198,230678,
 913916,3672582,14940794,61426632,254982076,
 1067415522,4502824810,19124778850,81738521776,
 351324672662,1517933308038,6589522925548,
 28732010239624,125785366412276,552750320877912,
 2437456478786392,10783477702624244]