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A326160 as a simple table

na(n)
13
26
39
425
560
6160
7396
8996
92480
106213
1115537
1238935
1397574
14244521
15612350
161533665
173841552
189623474
1924106566
2060386058
21151263372
22378906980
23949140173
242377551381
255955661956
2614918670478
2737370561312
2893611479464
29234492365157

[3,6,9,25,60,160,396,996,2480,6213,15537,38935,
 97574,244521,612350,1533665,3841552,9623474,
 24106566,60386058,151263372,378906980,949140173,
 2377551381,5955661956,14918670478,37370561312,
 93611479464,234492365157]