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A065613 as a simple table

na(n)
10
21
32
45
510
619
735
866
9124
10235
11446
12848
131616
143088
155915
1611356
1721844
1842094
1981249
20157062
21304039
22589307
231143583
242221620
254320301
268409506
2716383693
2831945779
2962338040
30121733596
31237884882
32465163198
33910144583

[0,1,2,5,10,19,35,66,124,235,446,848,1616,3088,
 5915,11356,21844,42094,81249,157062,304039,589307,
 1143583,2221620,4320301,8409506,16383693,31945779,
 62338040,121733596,237884882,465163198,910144583]