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A160243 as a simple table

na(n)
15
27
312
418
529
642
764
895
9146
10228
11353
12558
13884
141407
152254
163624
175837
189410
1915194
2024547
2139676
2264158
23103765
24167850
25271540
26439305
27710750
281149958
291860607
303010462
314870974
327881327
3312752180
3420633378
3533385431
3654018672
3787403960
38141422487

[5,7,12,18,29,42,64,95,146,228,353,558,884,1407,
 2254,3624,5837,9410,15194,24547,39676,64158,
 103765,167850,271540,439305,710750,1149958,
 1860607,3010462,4870974,7881327,12752180,20633378,
 33385431,54018672,87403960,141422487]