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A042531 as a simple table

na(n)
01
15
26
311
417
528
645
773
8118
9191
101073
1160279
12302468
13362747
14665215
151027962
161693177
172721139
184414316
197135455
2011549771
2164884310
223645071131
2318290239965
2421935311096
2540225551061
2662160862157
27102386413218
28164547275375
29266933688593

[1,5,6,11,17,28,45,73,118,191,1073,60279,302468,
 362747,665215,1027962,1693177,2721139,4414316,
 7135455,11549771,64884310,3645071131,18290239965,
 21935311096,40225551061,62160862157,102386413218,
 164547275375,266933688593]