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A180114 as a simple table

na(n)
11
27
315
413
531
631
740
863
991
1057
11127
12195
13121
14217
15280
16133
17156
18255
19403
20183
21399
22465
23600
24403
25364
26511
27819
28307
29847
30400
31381
32855
33961
341240
35741
36931
371092
381023
39553
401651
41781
421815
431240
441281
451093
461767
471953
48871
492520
502821
51993
521995

[1,7,15,13,31,31,40,63,91,57,127,195,121,217,280,
 133,156,255,403,183,399,465,600,403,364,511,819,
 307,847,400,381,855,961,1240,741,931,1092,1023,
 553,1651,781,1815,1240,1281,1093,1767,1953,871,
 2520,2821,993,1995]