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A346558 as a simple table

na(n)
11
24
39
420
535
678
7133
8280
9531
101070
112057
124212
138203
1416534
1532865
1665840
17131087
18262818
19524305
201049740
212097459
224196390
238388629
2416782024
2533554575
2667117102
27134218809
28268452212
29536870939
301073777010
312147483677
324295033440
338589938775
3417180000318
3534359739085

[1,4,9,20,35,78,133,280,531,1070,2057,4212,8203,
 16534,32865,65840,131087,262818,524305,1049740,
 2097459,4196390,8388629,16782024,33554575,
 67117102,134218809,268452212,536870939,1073777010,
 2147483677,4295033440,8589938775,17180000318,
 34359739085]