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A007713 as a simple table

na(n)
01
11
24
310
430
575
6206
7518
81344
93357
108429
1120759
1251044
13123973
14299848
15719197
161716563
174070800
189607797
1922555988
2052718749
21122655485
22284207304
23655894527
241508046031
253454808143
267887768997
2717949709753
2840719611684
2992096461012
30207697731344

[1,1,4,10,30,75,206,518,1344,3357,8429,20759,
 51044,123973,299848,719197,1716563,4070800,
 9607797,22555988,52718749,122655485,284207304,
 655894527,1508046031,3454808143,7887768997,
 17949709753,40719611684,92096461012,207697731344]