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A304078 as a simple table

na(n)
01
13
27
315
431
555
694
7138
8199
9271
10369
11457
12567
13667
14803
15939
161126
171314
181548
191732
201943
212099
222307
232511
242790
253062
263399
273691
284049
294341
304715
315047
325487
335919
346442
356830
367255
377523
387875
398215
408678
419118
429655
4310135
4410721
4511193
4611779

[1,3,7,15,31,55,94,138,199,271,369,457,567,667,
 803,939,1126,1314,1548,1732,1943,2099,2307,2511,
 2790,3062,3399,3691,4049,4341,4715,5047,5487,5919,
 6442,6830,7255,7523,7875,8215,8678,9118,9655,
 10135,10721,11193,11779]