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A306968 as a simple table

na(n)
13
26
319
422
531
651
755
866
994
10139
11142
12159
13166
14214
15235
16283
17439
18534
19559
20670
21874
22946
231726
242131
252419
263559
274759

[3,6,19,22,31,51,55,66,94,139,142,159,166,214,235,
 283,439,534,559,670,874,946,1726,2131,2419,3559,
 4759]