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A293315 as a simple table

na(n)
02
13
26
313
426
552
6104
7207
8414
9828
101657
113314
126627
1313255
1426510
1553020
16106039
17212079
18424158
19848316
201696632
213393263
226786526
2313573053
2427146106
2554292211
26108584423
27217168846
28434337692
29868675383
301737350766
313474701533
326949403065

[2,3,6,13,26,52,104,207,414,828,1657,3314,6627,
 13255,26510,53020,106039,212079,424158,848316,
 1696632,3393263,6786526,13573053,27146106,
 54292211,108584423,217168846,434337692,868675383,
 1737350766,3474701533,6949403065]