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A308193 as a simple table

na(n)
15
26
37
410
516
617
729
853
9101
10197
11389
12773
131542
143079
156154
1612304
1724604
1836901
1973798
20147592
21295180
22295517
23591030
241182056
251574849
263149694
274728211
286299383
2912598762
3025197520
3125197533
3250395062
33100790119
34201580234
35403160464
36806320924
371232145821
382464291638

[5,6,7,10,16,17,29,53,101,197,389,773,1542,3079,
 6154,12304,24604,36901,73798,147592,295180,295517,
 591030,1182056,1574849,3149694,4728211,6299383,
 12598762,25197520,25197533,50395062,100790119,
 201580234,403160464,806320924,1232145821,
 2464291638]