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A301658 as a simple table

na(n)
15
26
39
413
524
645
789
8182
9373
10773
111604
123333
136933
1414422
1530009
1662445
17129944
18270413
19562729
201171046
212436965
225071365
2310553604
2421962245
2545703845
2695110566
27197926889
28411889613
29857150104
301783745645
313712008569
327724760342

[5,6,9,13,24,45,89,182,373,773,1604,3333,6933,
 14422,30009,62445,129944,270413,562729,1171046,
 2436965,5071365,10553604,21962245,45703845,
 95110566,197926889,411889613,857150104,1783745645,
 3712008569,7724760342]