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A302677 as a simple table

na(n)
18
27
318
430
563
6125
7257
8528
91085
102228
114576
129401
1319311
1439665
1581476
16167363
17343782
18706162
191450533
202979557
216120333
2212571820
2325823881
2453045060
25108960300
26223816249
27459742831
28944361613
291939821080
303984602671

[8,7,18,30,63,125,257,528,1085,2228,4576,9401,
 19311,39665,81476,167363,343782,706162,1450533,
 2979557,6120333,12571820,25823881,53045060,
 108960300,223816249,459742831,944361613,
 1939821080,3984602671]