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A081218 as a simple table

na(n)
11
23
37
47
515
623
726
831
947
1062
1179
12119
13123
14127
15167
16241
17255
18287
19341
20359
21511
22527
23623
24727
25839
26959
271023
281330
291367
301679
311847
322047
332186
342195
352207
362399
372807
383122
393478
403719
414094
424487
434911
445039
455327
466239
476559
486857
496887
507919

[1,3,7,7,15,23,26,31,47,62,79,119,123,127,167,241,
 255,287,341,359,511,527,623,727,839,959,1023,1330,
 1367,1679,1847,2047,2186,2195,2207,2399,2807,3122,
 3478,3719,4094,4487,4911,5039,5327,6239,6559,6857,
 6887,7919]